One person has been killed and three others wounded in a shooting at a music venue in New York.
Police said the shooting happened at Irving Plaza, near Union Square, Manhattan, where hip-hop artist TI was due to perform on Wednesday evening.
No-one has been arrested and the motive for the shooting is unclear.
Witnesses reported panic inside the concert hall when the shots rang out. Police have sealed off the area around the venue.
The victims were three men, one of whom died, and a woman, the New York Times reported.
TI, whose real name is Clifford Joseph Harris Jr, was not on stage at the time. His representatives have not yet commented on the incident.