Overview

• The attack occurred around 6:45 a.m. Saturday near 166th Street and Graystone Avenue in Norwalk.
• The victim sustained severe arterial bleeding in his left arm, underwent emergency surgery, and died Sunday morning.
• Two passersby fought off the dogs and tried to help before firefighters took the man to a hospital.
• The dogs' owner told deputies the animals escaped the property and cooperated with investigators.
• Los Angeles County Animal Care and Control has impounded the two Rottweilers, and the case remains under investigation.