Donald Trump's administration has reassigned about 20 senior career Justice Department attorneys, two sources familiar with the moves told Reuters, as the new president moves swiftly to shake up an arm of government that has long drawn his ire.

The acting deputy attorney general issued a memo directing the DOJ to significantly overhaul its approach to immigration enforcement.

The Trump administration is putting a halt to agreements that require reforms of police departments where the Justice Department found a pattern of misconduct, according to a memo issued Wednesday.