Police and pro-immigration protesters square off near a detention center in downtown Los Angeles as hundreds of National Guard troops activated by President Donald Trump arrive in the city. Gov. Gavin Newsom called Trump's act "a serious breach of state sovereignty.

President Donald Trump's administration said it would deploy 2,000 National Guard troops on Saturday as federal agents in Los Angeles faced off against a few hundred demonstrators during a second day of protests following immigration raids.

Whitmer signed a statement with 21 other Democratic governors, supporting California Gov. Gavin Newsom, warning of Trump's "alarming abuse of power."