A Missouri fire officer was found unresponsive in his station Tuesday.
Affton Fire Protection District Capt. James 'Jim' Cova, 54, had responded to a number of emergencies during his shift.
He was a 23 year veteran of the department.
"Captain Cova was a true hero, committed to serving our community and his family. His loss is felt deeply by all of us," Interim Fire Chief Aaron Rhodes wrote in a statement posted on the department's Facebook page.
Arrangements are pending.