2 Killed, 6 Injured In Shooting At Music Festival in Los Angeles

Authorities first responded around 11 p.m. Sunday to shut down a "big party" after officers saw a person possibly armed with a gun go inside a building in a downtown warehouse district, said Officer Norma Eisenman. That person was arrested at the scene, she said.

The party had been promoted on social media as an unofficial after-party for Hard Summer, a weekend techno-music festival held at Hollywood Park, about 9 miles (14 km) away in Inglewood, KTLA-TV reported.

Shortly after officers had cleared the area, police received a report of shots fired around 1 a.m. When the officers returned, they found one person dead and learned multiple people had been struck by gunfire, Eisenman said in an email.