OAKLAND — A robber hit a 73-year-old woman on the head with a gun and stole her purse Wednesday afternoon in a Montclair district parking lot, authorities said.

The robbery happened about 2:25 p.m. Wednesday in a lot in  the 6200 block of Antioch Street.

According to initial police reports, the woman was walking to her car in the lot when a man came up from behind her and grabbed her purse.

The woman briefly struggled with the man over the purse before he pulled a pistol and struck her in the head, according to the initial reports.  He then fled in a  black Honda Accord.

The woman did not require hospitalization.

A detailed description of the robber has not been released.

Anyone with information about the robbery may call police at 510-238-3326.  Anyone with video or other images that might assist in the investigation may e-mail them to cidvideo@oaklandca.gov.