OMAHA, Neb. (AP) — Police say a woman died at an Omaha hospital after her car was struck from behind on U.S. Highway 75 in southeast Omaha.

The collision occurred about 12:20 a.m. Monday. Police say a northbound car struck the rear of another and then crossed two lanes and hit a concrete barrier. The driver was not injured but later was arrested on suspicion of vehicular homicide.

Police say the driver of the car he struck was taken to Nebraska Medical Center, where she died. She’s been identified as 67-year-old Ann Smock, who lived in Omaha.

OMAHA, Neb. (AP) — Authorities say three people were injured when an explosion heavily damaged a home in southeast Omaha.

The blast heard for several blocks was reported around 5:30 p.m. Sunday. Battalion Chief Keith Main says the house foundation was bowed out by the blast, and says firefighters had to work around a lot of debris.

It’s unclear what caused the explosion. Metropolitan Utilities District spokeswoman Tracey Christensen says natural gas does not appear to be a cause.

Officials say Daniel Andersen was taken to Nebraska Medical Center, where he was listed Monday in critical condition. His brother David Andersen and another person also were injured.

GRAND ISLAND, Neb. (AP) — Police say a 19-year-old man has been shot to death in Grand Island.

Officers and medics sent to a home around 3:45 a.m. Monday found the wounded man. Police say he was taken to a Grand Island hospital, where he died. Police identified him as Trevor Sok.

No arrests have been reported.

OMAHA, Neb. (AP) — A woman in a wheelchair who was forced off snowy sidewalks into a busy Omaha thoroughfare eventually received a showy escort: a firetruck.

Firefighters driving back to their station after a call Tuesday night noticed the woman headed down a street as cars zipped past. The crew watched her almost get hit by a truck and try to get back on a sidewalk that was blocked by snow and construction items.

Fire Capt. Mike Henrich said it was cold out, “but the most important thing is, it was dark.” The wind child that night: minus 18 degrees (minus 28 Celsius).

The firefighters soon flipped on their lights and followed the woman until she reached her destination. She gave them a thumbs-up as they departed.

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OMAHA, Neb. (AP) — A Nebraska zoo is accepting discarded Christmas trees to use as toys for its animals.

The Henry Doorly Zoo and Aquarium annually collects and shreds unwanted trees. But this year, zoo staff is keeping a few to entertain elephants, bears, big cats and more.

The Omaha zoo says all decorations should be removed before a tree is turned in and the trees shouldn’t be treated with chemical preventatives or decorative sprays. Trees that are considered unfit for animals will be recycled.

Dan Cassidy is the zoo’s vice president of animal management. He says trees have helped deter violent behaviors among animals like bull elks.

The zoo says it’ll collect trees until Jan. 8.

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OMAHA, Neb. (AP) — A man arrested in Tennessee in the fatal shootings of his parents and a niece in Omaha has agreed to be returned to Nebraska to face murder charges.

46-year-old John Dalton Jr. waived his right to an extradition hearing Thursday in Jackson, Tennessee, where he was captured Wednesday.

Dalton is charged with first-degree murder in the killings of 70-year-old John Dalton Sr. and 65-year-old Jean Dalton on Tuesday. His 18-year-old niece, Leonna Dalton-Phillip, was also killed.

Court records don’t list an attorney who can speak on Dalton’s behalf.

Records show Dalton pleaded guilty to manslaughter in the 1998 shooting of his wife, Shannon Dalton. He went to prison and was paroled in 2010. Authorities say he also fled to Tennessee within days of that shooting.

LINCOLN, Neb. (AP) — A cattle herd in north-central Nebraska’s Wheeler County where a cow tested positive for bovine tuberculosis remains in quarantine as authorities test other animals.

Nebraska Agriculture Department spokeswoman Kristin Kamm said Thursday that none of the cattle has yet been similarly diagnosed. Department staffers also are looking for cattle that may have been pastured next to and had fence line contact with the infected herd. The disease is primarily transmitted through nose to nose contact.

The South Dakota Animal Industry Board earlier this year contacted the Nebraska department as they traced cattle into and out of South Dakota’s infected herd. The testing of cattle that were moved into Nebraska led to the infected cow in Wheeler County.

Bovine tuberculosis causes severe coughing, fatigue, emaciation and debilitation in cattle and results in reduced milk and meat production.

OMAHA, Neb. (AP) — A suburban Omaha assistant high school principal is facing sex assault charges, accused of having a sexual relationship with a 15-year-old student.

Douglas County Jail records show 45-year-old Matthew Fedde remained in custody Friday. He’s been placed on administrative leave from his job at Millard South High School. He’s been a district employee since 2012.

Omaha police say the girl’s parents contacted authorities after reading her journal.

OMAHA, Neb. (AP) — Authorities say a former Omaha police officer accidentally shot himself at a gun range.

The shooting occurred Saturday at Inner 10 Weapons and Training in north Omaha. Police say video at the indoor range shows the shooting was accidental.

The man was taken to Nebraska Medical Center, where he had surgery. Authorities identified him as 70-year-old Langston Farrish, who left the force in 1998. He was listed in fair condition Wednesday.

OMAHA, Neb. (AP) — The Latest on a triple slaying in Nebraska (all times local):

5:40 p.m.

Nebraska police say a man suspected of killing his parents and niece has been arrested in Tennessee, the same state he fled to after shooting his wife in 1998.

Omaha police confirm that 46-year-old John Dalton Jr. was taken into custody Wednesday by the U.S. Marshals Service in Jackson, Tennessee. He’s suspected in the Tuesday night shooting deaths of his parents and his 18-year-old niece in Omaha.

The teenager’s father tells the Omaha World-Herald that his daughter had gone to her grandparents’ house to pick up her sister and a plate of food. He says his daughter’s car was still running when authorities arrived, and that her sister ran to a neighbor’s house saying: “They shot my family.”

The victims were 70-year-old John Dalton Sr., 65-year-old Jean Dalton and 18-year-old Leonna Dalton-Phillip.

John Dalton Jr. went to prison following the death of his wife in 1998. He was paroled in 2010.

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3:45 p.m.

Authorities say they have located an Omaha man suspected of killing his parents and a niece. The man previously served time in prison for the death of his wife.

Tennessee news station WBBJ-TV reports that 46-year-old John Dalton Jr. was taken into custody on Wednesday along Interstate 40 in north Jackson. The U.S. Marshals Service says Dalton was captured without incident.

Dalton is wanted on a first-degree murder felony warrant for the shootings of his parents, 70-year-old John Dalton Sr. and 65-year-old Jean Dalton, and his 18-year-old niece, Leonna Dalton-Phillip.

Online court records indicate that John Dalton Jr. served prison time for manslaughter in the 1998 death of his wife, Shannon Dalton. He was paroled in 2010.

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10:45 a.m.

Police say a murder warrant has been issued for an Omaha man with a prison record for killing his wife. He’s now suspected of killing his parents and a niece.

The warrant lists a charge of first-degree murder against 46-year-old John Dalton Jr., who remained a fugitive Wednesday.

Police say officers responding Tuesday to a report of shootings found the bodies of 70-year-old John Dalton Sr., 65-year-old Jean Dalton and 18-year-old Leonna Dalton-Phillip. Police say the Daltons are the parents of John Dalton Jr. and that Dalton-Phillip is his niece.

Court records say John Dalton Jr. made a deal with prosecutors and was imprisoned after pleading guilty to manslaughter and other crimes for the 1998 death of Shannon Dalton. Prison records say he was paroled in 2010.

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10 a.m.

Court records say an Omaha man sought as a person of interest in the slayings of his parents and a niece served prison time for the 1998 homicide of his wife then.

The records say 46-year-old John Dalton Jr. made a deal with prosecutors and was imprisoned after pleading guilty to manslaughter and other crimes for the death of Shannon Dalton. Prison records say he was paroled in 2010.

Police said Wednesday that officers responding to a report of Tuesday’s shootings found the bodies of 70-year-old John Dalton, 65-year-old Jean Dalton and 18-year-old Leonna Dalton-Phillip. Police say the Daltons are the parents of John Dalton Jr. and that Dalton-Phillip is his niece.

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5:30 a.m.

Authorities say three people have been killed inside a northeast Omaha home.

Officers responding to a report of a shooting found the bodies around 8 p.m. Tuesday. Police have not released the victims’ names or provided any details about them.

Authorities are seeking 46-year-old John Dalton Jr. as a person of interest. Police say he owns the home and is related to one of the victims