An estimated several hundred gallons of gasoline spilled Sunday into the Alhambra Wash and was moving south toward San Marino. Los Angeles County Hazmat and Los Angeles County Flood Control crews were at the scene as of around 8 p.m. Sunday, South Pasadena police said. Pasadena and Los Angeles County Hazmat units arrived at the scene to handle the cleanup, she said. L.A. County Public Works crews will handle flood maintenance outside the city limits, according to the South Pasadena police.