A resident was critically injured after a house explosion and fire that left the residence a total loss in the 6700 block of Pheasant Trail in unincorporated Cary Sunday afternoon. | Photo: CFPD

A man is in critical condition after a house explosion that started a fire and left a residence a total loss near Cary Sunday afternoon, fire officials said.

The Cary Fire Protection District and McHenry County Sheriff’s Office responded around 1:32 p.m. Sunday to the 6700 block of Pheasant Trail in unincorporated Cary for a report of a structure fire and explosion.

Cary Fire Protection District Public Information Officer Alex Vucha said firefighters arrived and found a small single-family residence with visible signs of an explosion.

A resident was critically injured after a house explosion and fire that left the residence a total loss in the 6700 block of Pheasant Trail in unincorporated Cary Sunday afternoon. | Photo: CFPD

Doors and windows had been blown off the front and rear of the home and smoke was coming from multiple areas of the home.

A male adult, who was the sole occupant of the residence, was found injured on the ground outside the home, Vucha said.

A resident was critically injured after a house explosion and fire that left the residence a total loss in the 6700 block of Pheasant Trail in unincorporated Cary Sunday afternoon. | Photo: CFPD

He was suffering from significant burn injuries suffered during the explosion, which possibly involved natural gas.

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The incident was upgraded to a working structure fire, prompting the response of additional personnel, water tenders and other resources.

A resident was critically injured after a house explosion and fire that left the residence a total loss in the 6700 block of Pheasant Trail in unincorporated Cary Sunday afternoon. | Photo: Nick Rusin

Vucha said a medical helicopter was requested to respond due to the severity of the victim’s injuries but no helicopters were available in the region.

The man was transported in critical condition by ground ambulance to Advocate Good Shepherd Hospital in Barrington.

A resident was critically injured after a house explosion and fire that left the residence a total loss in the 6700 block of Pheasant Trail in unincorporated Cary Sunday afternoon. | Photo: Nick Rusin

No one else was located inside the residence.

The fire was declared under control at 2:12 p.m. and extensive overhaul operations were needed due to the heavy fire damage throughout the home.

A resident was critically injured after a house explosion and fire that left the residence a total loss in the 6700 block of Pheasant Trail in unincorporated Cary Sunday afternoon. | Photo: Remi Merrill

The house and its contents are considered a total loss due to the extensive fire and structural damage.

No damage was reported to nearby homes, Vucha said.

A resident was critically injured after a house explosion and fire that left the residence a total loss in the 6700 block of Pheasant Trail in unincorporated Cary Sunday afternoon. | Photo: Nick Rusin

The Barrington Fire Department, Barrington Countryside Fire Protection District, Crystal Lake Fire Rescue Department, Algonquin-Lake in the Hills Fire Protection District, Fox River Grove Fire Protection District and McHenry Township Fire Protection District assisted.

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Nicor Gas, ComEd and the McHenry County Building Department also responded to the scene.

The cause of the explosion and fire remains under investigation by the Cary Fire Protection District, the Office of the Illinois State Fire Marshal and Nicor.