MESA, Arizona — A 35-year-veteran of the Mesa Fire Department died Tuesday morning while on duty. Firefighter Mark Keller, ...

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

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

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

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

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.

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.

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.