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

A chilling wave of gun violence struck the United States as mass shootings unfolded in Los Angeles and Montana within days of each other. In downtown LA, a party turned deadly when gunfire erupted around 1 a.

A shooting during a music festival after-party in downtown Los Angeles has left two people dead and six others wounded. Authorities first responded around 11 p.m.