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

Family, friends and fellow firefighters gather to honor and say goodbye to Mesa firefighter Mark Keller. Poison hemlock has ...

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 ...

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.

Deemed a "firecracker" by an activity director at the independent living facility she now calls home, Angelina Nicargi ...

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

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

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

From a man dying while serving out a prison sentence, to the latest details on the mass shooting in Glendale that killed 3 people and wounded 5 others, here are tonight's top stories.

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 Mesa Fire and Medical Department is in mourning after the death of longtime firefighter Mark Keller. Keller was ...