Walnut Creek man killed in Antioch shooting

A man was shot and killed on the 2600 block of Sunset Lane in Antioch the afternoon of Thursday, Sept. 24, 2015. A man was shot and killed on the 2600 block of Sunset Lane in Antioch the afternoon of Thursday, Sept. 24, 2015. Photo: Google Maps Photo: Google Maps Image 1 of / 1 Caption Close Walnut Creek man killed in Antioch shooting 1 / 1 Back to Gallery

Antioch police are investigating a shooting that left a 29-year-old Walnut Creek man dead Thursday afternoon, authorities said.

Around 2:15 p.m., officers responded to reports of a shooting on the 2600 block of Sunset Lane near Mountaire Park just south of Highway 4, police said.

They discovered the victim, whose identity was not released, suffering from at least one gunshot wound. He was taken to a hospital but died from his injuries, police said.

The investigation was still in its preliminary stages, police said, and no other information would be released.

Kale Williams is a San Francisco Chronicle staff writer. E-mail: kwilliams@sfchronicle.com Twitter: @sfkale