Two people were killed and six others were injured in a mass shooting at an after-party in downtown Los Angeles, authorities said.

Two people were killed and six others were wounded at a warehouse party in downtown Los Angeles early Monday, the latest incident to turn violent stemming from unsanctioned gatherings in the area, authorities said.

Two people were killed and six others wounded in a mass shooting in downtown Los Angeles, the US state of California, local authorities said. The incident occurred around 1 am (0800 GMT) on Monday, near 14th Place and Griffith Avenue, where several parties were underway, according to the Los Angeles Police Department (LAPD).

An Arkansas man who killed four people and injured 11 others in a mass shooting at a grocery store last year was sentenced Monday to life in prison without parole. A state judge sentenced Travis Eugene Posey to four life sentences for each count of capital murder.