Armed suspect on the loose in Columbia

POSTED: 10:20 PM CST Nov 28, 2013    UPDATED: 10:23 PM CST Nov 28, 2013 
COLUMBIA, Mo. -

Police are searching around Columbia Square Apartments on Claudell Lane for a potentially dangerous suspect.

Columbia Police told ABC 17 News that the suspect was last seen knocking on a resident's door with a gun.

Before this incident, police said the same suspect was wanted for trespassing earlier in the day. 

Police are searching with their K-9 unit.