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

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.

Officials confirm that firefighter paramedic Mark Keller was found dead while on duty Tuesday morning, but details of his passing were not disclosed. “My heart is with the Keller family in this ...

Mesa firefighter Mark Keller was "found passed away while on duty" according to Mesa Fire and Medical Department officials. Keller was a 35-year veteran of Mesa Fire and Medical. MESA, Ariz.

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

Saturday’s 100 was the glaring question mark. Keller considered the sprint his worst event. But his time of 10.47, the second-best in league history, erased all doubts.

Saturday’s 100 was the glaring question mark. Keller considered the sprint his worst event. But his time of 10.47, the second-best in league history, erased all doubts. “That’s my best 100 ...

Those left to cherish Patricia’s memory are her children, Jeffrey (Lisa) Draeger, of Roanoke, TX, Julie Draeger, of Marion, IA, and Jill (Mark) Keller, of Oskaloosa, IA; her grandchildren ...

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. “My heart is ...