The device that exploded last week at a Los Angeles County Sheriff's Department facility and killed three detectives was a grenade, confirmed by ABC News sources.
Authorities have warned visitors to avoid beach activities involving water at eight beaches due to excessive bacterial levels attributed to increased street runoff, raising health concerns.
A federal judge dismissed former Sheriff Alex Villanueva's $25-million lawsuit against Los Angeles County for the second time, citing insufficient evidence of harm or wrongful defamation.