At his funeral service Wednesday, John "JR" Gaudet was remembered by friends and colleagues as a heroic firefighter, teammate and loving father.

Watch the full funeral service in the player above.* BINGHAMTON, N.Y. (WIVT/WBGH) – Hundreds of family members, friends, fellow first responders, and officers gathered at St. Thomas Aquinas Church in Binghamton to remember the life of fallen firefighter John “JR” Gaudet on Wednesday.

As the investigation of the Court Street fire that killed on Binghamton firefighter persists, no cause has been discovered as of yet. On Wednesday, Feb. 12,

Prior to Wednesday's funeral mass, Binghamton firefighter and Public Relations Director for the firefighter union Chris Mallery shared his thoughts on the passing of John "J.R." Gaudet.

Binghamton firefighter JR Gaudet was killed while fighting a fire on Main Street. Here's the latest on the investigation.