Tens of thousands of unionized Los Angeles County workers have officially started their two-day strike as they continue to fight for a new contract.

More than 50,000 Los Angeles county workers began a two-day strike Monday evening, closing libraries and disrupting administrative operations across the nation's most populous county. The two-day strike was initiated in response to failed negotiations with the county for a new contract after the last one expired in March,

A high-speed police chase is underway in Los Angeles County. SkyFOX was over the scene as the suspect led the California Highway Patrol on a chase late Monday night.