4:30am: Scare at Sacramento mall after fight
SACRAMENTO - Video shows how a mall fight caused chaos for shoppers in California, as people scramble to safety.
The director of security at the Sacramento mall said 20 people were involved in the brawl and four were arrested.
A sign was knocked over during the fight, which some customers thought could have been a gunshot, but police said they found no evidence of a shooting.
Police said many stores went into lockdown, closing their metal gates when the fight started.
The mall was reopened a few hours later.