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A man suspected of DUI is in custody and a pedestrian is in grave condition Thursday after a hit-and-run crash in the Shadow Hills neighborhood of Los Angeles.

The crash occurred about 10:55 p.m. Wednesday on Sunland Boulevard near the Stonehurst Avenue intersection, a Los Angeles Police Department new release stated.

A black Infiniti SUV and a black Honda Accord were traveling westbound on Sunland when the Honda, traveling at a high rate of speed, hit the SUV, the news release stated.

The impact caused the Infiniti driver to lose control and strike a curb. The SUV overturned on an unpaved sidewalk and struck a pedestrian who was walking his dog.

The pedestrian, identified only as a man between 50 and 55 years old, was severely injured and taken to a local hospital. “He’s in grave condition,” Detective Fuentes said.

It was unclear if the dog was injured in the crash but it was with officials.

“Animal regulations responded to the scene and took the dog,” Fuentes said.

The driver of the Honda attempted to flee the scene but was found by responding officers a short distance away from his vehicle, Fuentes said.

The driver was later identified by police as Grigoryan Aznaur of Tujunga. He was arrested on suspicion of DUI, according to the news release. Additional charges are also pending, it stated.

The driver and a passenger in the SUV remained at the scene and were complying with the investigation. They were not injured as a result of the crash, according to police.

Anyone with further information was asked to call the Police Department at 818-644-8116.