A portion of an Amtrak train headed for New York City separated from the rest of the train near Albany, the agency said, leaving passengers in the car stranded on the tracks for a few hours on the night before Thanksgiving.

"I turned around and looked and the rest of the train was gone," passenger Chuck Reeves told NY1 in a phone interview.

Amtrak officials said two of cars of the 68 Adirondack train, which was traveling to Penn Station in Manhattan from Montreal, separated because of a "mechanical issue" shortly before 7:25 p.m. about 10 minutes south of the Albany-Rensselaer station.

Amtrak said no injuries were reported to the 287 passengers or crew, and the passengers were transferred to a new train so they could continue their trip shortly before 10 p.m.

Amtrak said it was investigating why the cars separated.

Multiple passengers Tweeted photos showing a portion of their train car missing:

Reeves said he heard a pop and smelled "electrical burning" near Albany before he turned around to see the rest of the train had separated.

Reeves said the portions of the train were joined back together so passengers could board the other train:

According to Amtrak, the train had been scheduled to arrive at Penn Station by 8:50 p.m.