A police K-9 officer was shot with a rifle while attempting to detain a suspect in Vacaville, authorities say.

K-9 Rocky, a U.S. Marshals dog injured during a manhunt for a Brazoria County deputy’s suspected killer, is expected to recover, but officials say it could “take a while.”

A K-9 officer was shot while trying to apprehend a suspect in Vacaville on Wednesday, the police department said. Officials later said the K-9 lost one of its legs because of the shooting.

Vacaville K-9 officer Murph was shot during the apprehension of an armed suspect Wednesday afternoon, the Vacaville Police Department shared.