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 ...

Hundreds have gathered to honor a Mesa firefighter who passed away earlier this month.The funeral and procession for Mesa ...

Additional Apache County residents have been told to prepare to evacuate as crews work to contain the 7,000-acre Greer Fire ...

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.

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.

The Mesa Fire Department is mourning the loss of Firefighter Mark Keller. Officials say Keller died Tuesday morning while on duty. “My heart is with the Keller family in this difficult time.