President Donald Trump’s administration has sued Los Angeles, claiming the city is obstructing the enforcement of federal immigration laws and creating a lawless environment.

The Trump administration sued Los Angeles claiming its sanctuary city ordinance helped fuel riots during protests against the president’s deportation crackdown, prompting the US to send in national guard troops.

President Donald Trump's administration sued Los Angeles on Monday over policies limiting city cooperation with federal immigration authorities, continuing a confrontation over the Republican's deportation efforts in a largely Democratic city.