06/05/2012 09:17 EDT | Updated 08/05/2012 05:12 EDT

Police dog bites officer's leg

A Calgary police officer is recovering from a dog bite Tuesday morning after a member of the K9 unit mistook him for a suspect.

The police dog bit the sergeant in the leg while officers were looking for a convenience store robbery suspect in the southeast at about 3:45 a.m.

The officer was taken to hospital.

The suspect in the robbery was later arrested.