A police standoff in Omaha ended with no injuries after authorities used chemical munitions to force a suspect out.

The Omaha Police Department says 36-year-old Frederick Patterson refused to come out of a house Wednesday morning. Additional officers and a SWAT team were called in for assistance.

Officers deployed chemical munitions into the residence several hours later. Patterson’s brother, who was not being held against his will, first exited the house. Authorities then took Patterson into custody.

Officials say Patterson was booked into Douglas County Corrections for a parole violation. He also was booked on a felony warrant from Sarpy County and a misdemeanor warrant from Douglas County.

Records do not list an attorney for Patterson.