Andrew Lopez Jr., 16

Andrew Lopez Jr., 16, a Latino youth, was stabbed in the chest in the 41000 block of 22nd Street West in Palmdale about 11 p.m. Friday, May 9. Lopez was taken by ambulance to a hospital, where he was pronounced dead at 11:35 p.m.

Authorities said Lopez was stabbed after an argument between two groups of men at a house party. The men were uninvited, authorities said. The suspects were described as white and were last seen driving a white pickup truck southbound on 22nd Street, authorities said.  Two other men were also stabbed and were taken by ambulance to a hospital, where they were recovering.