The accident occurred at around 7:30 p.m. on Christmas Eve.
A vehicular accident closed all lanes of the westbound Outer Loop of the Capital Beltway near the Connecticut Avenue exit (No. 33) on Christmas Eve, according to Montgomery County police. The accident may have been fatal, police added. County police received a call about the accident at 7:36 p.m. Nearly an hour later, police still were investigating at the scene of the accident. No further information had been released at that time.