The alleged gunman who was not identified, was said to be acting alone, police said according to the report.
In a separate report the L.A. Times said the alleged shooter was Scott Dekrai
Eyewitnesses told the publication that the man was targeting his ex-wife and that they were in a custody dispute.
He was arrested a few blocks from Salon Meritage, the business where the shooting took place.
The attack took place along the Pacific Coast Highway around 1:20 p.m.
Six people were declared dead at the scene and two others died at nearby Long Beach Memorial Center.
