Security had to break up two brawls among shoppers at a the Arden Fair Mall in Sacramento on the day after Christmas.
A Taco Bell restaurant in Antioch has started closing its dining room in the afternoons after managers say it has become a magnet for high school students after class, and fights have been breaking out.
This comes after nine people were arrested during late night skirmishes last weekend.
In response to another weekend in which drunken brawls took center stage at a handful of downtown Walnut Creek bars, police are stepping up patrols in the area.
Two victims who were the most seriously hurt after a violent night at Candlestick Park Saturday were making steady recovery at San Francisco General Hospital Monday, according to a spokesperson.
Six students were arrested at Hayward High School following a series of skirmishes on the campus Tuesday, a police lieutenant said.