Donald Trump has authorised the deployment of 2,000 national guard troops to Los Angeles, after an immigration crackdown erupted into mass protests for a second day and police in riot gear used teargas on demonstrators.

The Trump administration is deploying the California National Guard in response to protests in Los Angeles that begin Friday evening over immigration enforcement operations that have resulted in some clashes between demonstrators and authorities,

PARAMOUNT, Calif. (AP) — President Donald Trump is deploying 2,000 California National Guard troops to Los Angeles over the objections of Gov. Gavin Newsom after a second day of clashes between hundreds of protesters and federal immigration authorities in riot gear.