The Mesa Fire Department is mourning the loss of Firefighter Mark Keller. Officials say Keller died Tuesday morning while on ...

Watch the full procession for Mesa Firefighter Paramedic Mark Keller, who died while on duty last week. The procession will ...

A 35-year-veteran of the Mesa Fire Department died Tuesday morning while on duty. Firefighter Mark Keller, who started with ...

PHOENIX — The Mesa Fire and Medical Department is in mourning after the death of longtime firefighter Mark Keller. Keller was found dead while on duty Tuesday morning, the department said.

A 35-year Mesa firefighter died on duty last week, it was announced. Mark Keller, 62, who lived in Gilbert, was found dead the morning of May 6. Details of his death were not released.

The funeral and procession for Mesa firefighter paramedic Mark Keller was held in the East Valley on Thursday morning. The procession left Bunker Family Funeral Home Garden Chapel, near Main ...

PHOENIX — The funeral services for longtime Mesa firefighter Mark Keller will begin Wednesday evening. Keller, 62, was found dead last week while on duty, according to Mesa Fire and Medical ...

Mark Keller, the Mesa firefighter who died on duty last week, is being remembered as someone who dedicated his life to his community and family.