A Bronx man is fighting for his life after being struck by a car in Fordham Heights early this morning, cops said.

The 61-year-old victim was crossing the Grand Concourse at Field Place when a car traveling southbound hit him and took off. Cops said the victim crossed against the signal.

The man was taken to St. Barnabus Hospital where he remains in critical condition, according to police.

Authorities described the vehicle as a grey sedan. No arrests have been made.