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

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. No details ...

A 35-year-veteran of the Mesa Fire Department died Tuesday morning while on duty. Firefighter Mark Keller, who started with the East Valley agency in 1990, was found deceased during a shift, according ...

The funeral and procession for Mesa firefighter paramedic Mark Keller was held in the East Valley on Thursday morning.

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

Mesa Fire Department mourns loss of firefighter Mark Keller, who died on duty. Mayor Freeman and Chief Cameli express deep ...

A veteran Mesa firefighter died while on-duty Tuesday. When Keller's crew was dispatched to a call, he did not show up at the ...

PHOENIX — The funeral services for longtime Mesa firefighter Mark Keller will begin Wednesday evening. Keller, 62, was found ...

A 35-year Mesa firefighter died on duty last week, it was announced. Mark Keller, 62, who lived in Gilbert, was found dead ...

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. Posted May 13, 2025 4:42pm MST Share ...

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.

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.