One person has been killed and three were injured in a shoot-out at the high-end Standard Hotel in Los Angeles, California, on Saturday night.
All of the victims were believed to be guests at the hotel in downtown Los Angeles, according to KTLA.
It is believed a fight broke out during a party at the hotel shortly after 2.40am.
Guests have been blocked from checking in and checking out as police swarm the hotel to investigate.
Read more: Daily Mail