TRENTON (Mercer) Trenton fire department responded to the 700 block of Southard street Tuesday night after receiving multiple 911 calls for a house fire. Firefighters encountered heavy smoke coming from the residence and had trouble gaining entry as well, there were reports of a person possibly trapped inside the home but was later found dead in the home. The fire grew so intense that all fire personnel had to leave the house and move to a defensive operation shortly after that a loud explosion occurred that sent residents watching running screaming. The fire chief placed the fire under control just after 11:00 Pm, there were no reports of any injuries to firefighters, Trenton Ems and Capital Health paramedics were on scene standing by. The Mercer County Prosecutors office arson unit and the Trenton fire marshal is investigating the cause of the fire.