A teenager has been arrested in the alleged sexual assault of a 6-year-old girl in a Manhattan stairwell over the weekend, police say.
Christian Pena of Manhattan is facing criminal sex act, sex abuse and child endangerment charges in the assault, according to police.
The girl was in a first floor stairwell of an apartment building on Henry Street on the Lower East Side when the suspect approached her.
He exposed his penis and rubbed it on the girl's face, police said.
Police released surveillance video of a suspect Sunday night, and announced an arrest Monday.