An escalating clash pits a Republican president looking to fulfill his mass deportation goals against a Democratic governor with White House aspirations hoping to mobilize opposition.

California Gov. Gavin Newsom had sued Trump in an attempt to block the deployment of federal troops in the city, which Newsom has called a “serious breach of state sovereignty.”

Gov. Gavin Newsom (D-CA) will address Californians at 9:30 p.m. Tuesday as the standoff between the governor and the Trump administration over the Los Angeles riots continues to simmer. Newsom announced the address Tuesday evening,