Firefighters were able to gain the upper hand while battling a nearly 40-acre brush fire that is burning close to homes in Jurupa Valley on Tuesday evening. The Clay Fire was first reported at around 5:15 p.

Firefighters are battling the blaze, which is burning through thick brush in the Santa Ana Riverbed. An evacuation warning has been issued for

A brush fire broke out in the Santa Ana River’s bottom in the Jurupa Valley area just before 5 p.m. Tuesday, Jan. 21, burning 39 acres before firefighters late that night stopped the blaze from spreading. As of Wednesday morning, Jan. 22, containment was at 45%.