Looters targeting Bay Area businesses struck again Sunday evening, with smash-and-grab thieves hitting a mall in Hayward, California and taking merchandise from a Lululemon store in San Jose, CBS San Francisco reports.

It was the third day in a row that large mobs of robbers went after retailers in the region…

Witnesses described some 40 to 50 looters wielding hammers and other tools looting Sam’s Jewelers, breaking glass cases and quickly fleeing. The Macy’s store was also ransacked.

In video taken during the robbery, workers can be heard inside Sam’s Jewelers screaming in fear.