NORTH PLATTE, Neb. (AP) – A North Platte man charged with holding paramedics hostage and threatening to kill them has pleaded not guilty. 19-year-old Carlos Charging Elk allegedly lured paramedics to his home with a false 911 call in August. Police say he pulled a knife and held the paramedics hostage. He is charged with terroristic threats, false imprisonment and use of a deadly weapon to commit a felony. Trial is set for Dec. 6. Charging Elk is being held under $125,000 bond.