A man was struck and killed earlier today by a subway after he stumbled onto train tracks in the Bronx, police said.

The victim, believed to be in his 30s, fell in front of an oncoming, southbound No. 4 train at 4:45 a.m. in the 176th Street station on Jerome Avenue in Mount Hope, police said.

He was pronounced dead at the scene.

The release of his identity is pending family notification.