The allegations against State Sen. Leland Yee were outlined in an FBI affidavit in support of a criminal complaint unsealed Wednesday.
Authorities say several people Friday were arrested on suspicion of illegally selling nitrous oxide for recreational use.
Officers with the Los Angeles Police Department took part in a massive series of raids on Thursday involving alleged prescription drug sales by a multi-state criminal operation.
Authorities on Thursday warned medical marijuana dispensary owners in Long Beach to close up shop voluntarily or face being shut down by police.
A multi-city raid on members of a South Los Angeles graffiti crew ended in nearly a dozen arrests on Wednesday.
Members of the Vagos motorcycle gang say authorities have harassed them, including intimidation of family members and being denied service at local restaurants.