A man on crutches was seriously injured when he was hit by a bus outside Radio City Music Hall on Saturday night.

“When I was turning, [the victim] lost his balance and ended up under the bus,” driver Troy Coughlam, 49, told The Post.

The victim was taken to Bellevue Hospital in serious condition after the 9 p.m. accident.

Coughlam was not charged in the incident.