A man walking down a Southwest Side road was struck and killed by the driver of a car early Tuesday morning.

San Antonio police said the accident occurred just before 2 a.m. in the 7200 block of Holm Road near Old Pearsall Road.

Police said the driver stopped to render aid, but it was unknown whether the driver would face charges.

On Tuesday afternoon, the victim was identified as 29-year-old Antonio Martinez.. It was unknown why Martinez was walking down the road in the middle of the night. The accident is under investigation, but officials said it is unlikely the driver will face charges.