Oakland man arrested in fatal December shooting in Antioch

Police in Antioch arrested an Oakland man they believe to be responsible for a fatal shooting in December, authorities said.

Officers responded to reports of a shooting on the 2100 block of Peppertree Way the afternoon of Dec. 21. They found Ricardo Walls, 23, of Pittsburg, suffering from at least one gunshot wound. He was taken to a nearby hospital, but died from his injuries, police said.

Michael Vickers, 27, was arrested the following day in Oakland, his city of residence. He was booked into Contra Costa County Jail in Martinez on suspicion of murder, police said.

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