Police are searching for a shooting suspect that triggered a lockout at Federal Heights Elementary in Denver Thursday.

Federal Heights Police say they were looking 19-year-old Julian Richards, who is accused of shooting a man twice following an argument.

The victim was taken to the hospital with injuries to his hand and leg.

Police from multiple agencies set up a perimeter to search for Richards near the 9800 block of Federal Boulevard.

The lockout was lifted just before 1 p.m. when Richards could not be located.

Police say all students and staff are safe.

Anyone with information on Richards is asked to call police.