Man dies after Mass. lab explosion

Updated:

NORTH ANDOVER, Mass. (AP) - Authorities say a man burned in a laboratory explosion in North Andover has died of his injuries.

The Eagle-Tribune reports that the Essex County District Attorney's Office confirmed Thursday that the 51-year-old man injured at a Dow Chemical Co.-owned facility died. His name was not immediately released.

The North Andover Fire Department said the man was working alone when the explosion occurred just before noon on Wednesday. He was airlifted to a Boston hospital.

The facility temporarily closed after the incident. The cause was being investigated by the fire department and state fire marshal.