SALEM — Three people were seriously injured late Friday when their pickup truck flipped over on Interstate 93, according to the Salem Fire Department.

Fire Capt. Stephane Cattin said the truck hit and impaled a guardrail, then turned over several times before coming to rest on its tires in the median of the interstate about 11:45 p.m. Friday.

He said two passengers were outside the truck by the time rescue crews arrived, but the third person was trapped for about a half-hour while crews used hydraulic tools to get the person out.

“It was a fairly complex and extensive extrication,” Cattin said.

All three people — Cattin would not release their names — were taken by the fire department to Lawrence General Hospital in Lawrence, Mass., with serious, but not life-threatening, injuries, he said.

“The injuries were significant all the way around,” he said.