PORTLAND — Fire crews are on the scene of a boat explosion and fire in Portland.

The incident happened Friday at at East End Beach.

Witnesses tell WCSH-TV (http://on.wcsh6.com/126TNVh ) that the explosion in the rear compartment occurred after a man started the boat. He dove in the water when his clothes caught on fire. He and a woman were was taken to Maine Medical Center  by paramedics.

Fire crews were able to extinguish the fire.

Details on the cause of the explosion were not immediately known.