PITTSBURGH (KDKA) — The Pittsburgh Police is mourning the loss of two K-9s.

In the last five days, the department has announced the deaths of two retired police K-9s.

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On July 30, 15-year-old Mac died after spending seven years of the force. He retired in 2013 and spent his time at home with his handler Officer Dante Borghini, the department said.

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Mac joined the Pittsburgh Public School Police in July 2006.

On Saturday, the department announced the passing of Bartje.

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He served from 2011-17 and spent retirement with his handler Lt. Chad O’Brien and his family.