BY John LauingerLance Stephenson was charged with pushing his girlfriend down a flight of stairs, police said.
Stephenson roughed up Jasmine Williams, 21, in the stairwell of her Brooklyn apartment building at about 5 a.m., according to police.
Stephenson's blows sent Williams tumbling head-first down 10 steps, requiring her to be treated at a hospital for injuries to her head and neck, cops said.
Stephenson was charged with third-degree assault. He was awaiting arraignment on Saturday night.
DAILY NEWS STAFF