UPDATE: Four dead, two injured after seven-vehicle 401 crash

Four people are dead after a seven-vehicle crash on the 401 near Kingston, according to Ontario Provincial Police. (OPP)

OPP say the crash, that happened just before 1:30 a.m. Thursday, involved four tractor trailers, one commercial truck, and two passenger vehicles. One of those passenger vehicles, police say, became fully engulfed in flames, killing all four occupants.

Two other people have been taken to hospital with serious injuries.

The westbound lanes of the 401 were closed at Joyceville Road, reopening around 7:00 p.m.

CLEARED: ROAD CLOSURE: #Hwy401 WB at Joyceville Rd #Kingston - Roadway now OPEN.^lp

— OPPCommunicationsER (@OPP_COMM_ER) May 11, 2017