Police found no victims or suspects after people living in a residential Pasadena neighborhood reported hearing gunfire on Monday night, officials said.
Police received several calls reporting gunfire just before 9 p.m. in the 1000 block of North Raymond Avenue, said Pasadena police Lt. Mario Ortiz.
Witnesses indicated several people described only as males were seen running from the area.
Anyone with information can reach the Pasadena Police Department at (626) 744-4501. Tips may also be submitted anonymously to L.A. Regional Crime Stoppers at (800) 222-8477.