A Chico Police Officer injured while trying to make an arrest. Chico Police say the officer tried to stop a man on a bike on East Avenue Monday following a strong arm robbery. Officers say 41 year old Ethan Kelley was chased into a nearby apartment complex, where he allegedly struggled with the officer. Police say Kelley had a knife under his clothing and the officer was cut during the struggle. Kelley was taken into custody on charges including drug possession and possession of stolen property.