ST. PAUL, Minn. (WCCO) — A St. Paul firefighter and paramedic is dead after he suddenly collapsed while on duty at a fire station Monday evening, officials say.

According to a statement from the St. Paul Fire Department, 38-year-old Shane Clifton told colleagues at Station No. 14 on Snelling Avenue that he felt sick just after 5 p.m., then suddenly collapsed.

READ MORE: 1 Killed, 1 Injured In St. Paul Shooting

He was quickly treated by his fellow firefighters and EMTs at the scene, and first responders soon transferred Clifton to Regions hospital where he was treated for several hours before he died.

Officials say Clifton was a U.S. Navy veteran, and worked as an emergency department technician for Unity Hospital in Fridley and Allina EMS before he came to the St. Paul Fire Department in 2007.

Clifton was the first firefighter to die while on duty since 2009. He leaves behind two children.

READ MORE: Richfield Police Seek Help After Thief Steals Car With Owner's Dog Inside