Before he became US president in 2016.

9 hrs agoWorld12 hrs ago'Un-American' or 'necessary'? Voters divided on Trump's LA protest crackdownSix Americans tell the BBC that there's clearly a problem in Los Angeles - they just don't agree with who's at fault.former President Dwight D Eisenhower invoked it so the US Army would escort black students into their high school in Little Rock.

it was used in 1992 when massive riots broke out in Los Angeles over the acquittal of four white police officers in the beating of Rodney King.Are there any limits on the law?The US government has traditionally worked to limit the use of military force on American soil.to take action on immigration.

3 hrs agoUS Canada3 hrs agoTrump says US-China deal 'is done'The world's two biggest economies have agreed in principle a framework for de-escalating trade tensions.following his emergency declaration at the border.

Then-President George Bush sent in active-duty members of the Marines and Army as well as National Guard troops.

He has used this authority to impose tariffs and.and whether or not there was an open tendering process.

last year it came as something of a jolt for Serbians when the government struck a deal with a company called Affinity Global to redevelop the site into a $500m (£370m) luxury hotel and apartment tower complex.says Estela Radonjic Zivkov.

He admits that the shattered state of the Defence Ministry complex is not good for the city's image.Trump's deals in the GulfThen there is the question of whether a commercial development should be taking place at all.