Trump wins Nevada caucuses

Donald Trump has emerged the decisive winner of Nevada's Republican caucuses, leaving his main rivals battling for second place in an increasingly urgent effort to slam the brakes on the billionaire businessman's juggernaut.

Mr Trump now has three straight victories - in the West, the South and North east - a testament to his broad appeal among the "mad-as-hell" voters making their voices heard in the 2016 US presidential race.

Six in 10 caucus goers said they were angry with the way the government was working, and Mr Trump scooped about half of those, according to preliminary results of an entrance poll.

Nevada was a critical test for Marco Rubio and Ted Cruz, the two senators battling to emerge as the clear alternative to the Republican front-runner.

Mr Rubio was out to prove he could build on recent momentum, while Mr Cruz was looking for a spark to recover from a particularly rocky stretch in his campaign.

Already campaigning in Michigan as caucus results rolled in, Mr Rubio was projecting confidence that he could consolidate the non-Trump voters who have been splintering among an assortment of Republican candidates, saying: "We have incredible room to grow."

Mr Cruz, a...