A California jewelry store was the target of a dramatic smash-and-grab when as many as 20 masked suspects stormed inside.
The San Ramon Police Department said the group targeted Heller Jewelers on Bollinger Canyon Road in a coordinated robbery that unfolded in seconds, with suspects smashing display cases and stealing numerous items before fleeing.
Several of the suspects were armed with guns and hammers, and at least one fired shots through the front entrance, according to authorities…