UPDATE: 2 killed by cop car on Turnpike were N.Y. residents, state police say

NORTH BERGEN-- A Washington Township (Bergen County) police vehicle fatally struck two pedestrians Wednesday morning on the New Jersey Turnpike in Secaucus, state police said.

The 1 a.m. crash is under investigation, State Police said over Twitter.

The officer was treated for minor injuries. The pedestrians, whom police have not identified, were in the left lane when they were struck, State Police said.

Preliminary invest indicates pedestrians in left lane of travel when struck. — NJSP - State Police (@NJSP) May 6, 2015

Washington Township Police Chief Glenn Hooper told the Record the officer was returning from a training seminar. The department referred all questions to State Police. Washington Township is a town of about 9,000 people in the Pascack Valley.

The two were walking away from a disabled vehicle, the New Jersey Turnpike Authority said on Twitter.

2 people who walked away from a disabled vehicle were killed on the n/b Eastern Spur near V Lombardi overnight. Investigation is ongoing.. — New Jersey Turnpike (@NJTurnpike) May 6, 2015

An off-duty Little Ferry Police officer called for assistance after the crash, Chief Ralph Verdi said. He declined to provide more information.

State Police said they would release more information later Wednesday morning.

The crash initially closed all northbound lanes, causing major delays, NBC New York reported. One lane reopened at about 5 a.m.

Can confirm Washington Twp. (Bergen County) Officer in police vehicle involved in TPK crash. Treated for minor injuries. More info to follow — NJSP - State Police (@NJSP) May 6, 2015

Myles Ma may be reached at mma@njadvancemedia.com. Follow him on Twitter @MylesMaNJ. Find NJ.com on Facebook.