New Delhi, May 6 -- US President Donald Trump's administration on Tuesday (local time) sued Denver and its police department, seeking to strike down an assault weapons ban that has been in place in Colorado's largest city since 1989.

The lawsuit by the Trump administration came a day after Denver officials openly rejected calls by the Department of Justice (DOJ) to repeal the longstanding city rule that makes it a crime to keep assault weapons.

The administration has alleged that such a ban violates the US Constitution's Second Amendment right to bear arms, the DOJ said in a press release.

Acting Attorney General Todd Blanche, in a statement, said, "The Constitution is not a suggestion, and the Second Amendment is not a second-class ri...