Fire engines escort Tuesday, September 17, 2019, the remains of Farmington Fire Rescue Captain Michael Bell from Augusta to Farmington. Bell was killed in an explosion Monday that also injured six other firefighters and a maintenance worker at the LEAP building in Farmington.

State Police and Department of Corrections canine handlers salute Tuesday, September 17, 2019, the remains of Farmington Fire Rescue Captain Michael Bell during an escort through Augusta to Farmington. Bell was killed in an explosion Monday that also injured six other firefighters and a maintenance worker at the LEAP building in Farmington.

People gather at the site of an explosion that claimed the life of Capt. Michael Bell, 68, a 30-year member of the Farmington Fire Rescue Department and brother of the department’s chief at 313 Farmington Falls Road in Farmington late Monday night, September. 17, 2019.

Officials with the Maine State Police and Franklin County Sheriffs Department stand in the middle of US Route 2 in Farmington late Monday night, September. 17, 2019 at the scene of a deadly explosion that claimed the life of one firefighter and injuring several others.

A deputy with Franklin County Sheriff's Office walks through the debris field of an explosion at 313 Farmington Falls Rd in Farmington late Monday night, September. 17, 2019.

A trooper with Maine State Police stands in the debris field of an explosion at 313 Farmington Falls Road in Farmington late Monday night, September. 17, 2019.

Officials with the Maine State Police and Franklin County Sheriffs Department stand in the middle of US Route 2 in Farmington late Monday night, September. 17, 2019 at the scene of a deadly explosion that claimed the life of one firefighter and injured several others.

A deputy with Franklin County Sheriff's Office walks through the debris field of an explosion at 313 Farmington Falls Road in Farmington late Monday night, September. 17, 2019.

Dozens attended the prayer service held Monday at St. Joseph Catholic Church in Farmington following an explosion that claimed the life of one firefighter and injured several others.

A prayer service was held Monday night at St. Joseph Catholic Church in Farmington for those affected by an explosion earlier in the day. An unidentified firefighter and Livermore Fire Chief Donald Castonguay were among those attending.

An explosion at 313 Farmington Falls Road claimed the life of a Farmington firefighter and injured seven others Monday. A candlelight vigil was held at Old South Congregational Church that evening. Pictured in front are Reverend Sara Bartlett of Auburn at left and Rev. Margaret Proctor of Wilton.