Democratic debate in Nevada live: Bloomberg, Sanders face off for first time

Donald Trump has slammed fellow billionaire Mike Bloomberg’s first debate performance, calling it “perhaps the worst in the history of debates”.

US President Donald Trump has attacked Michael Bloomberg’s first debate performance as “stumbling, bumbling and grossly incompetent”.

“Mini Mike Bloomberg’s debate performance tonight was perhaps the worst in the history of debates, and there have been some really bad ones,” Mr Trump tweeted.

“He was stumbling, bumbling and grossly incompetent. If this doesn’t knock him out of the race, nothing will. Not so easy to do what I did!” he added.

Mini Mike Bloomberg’s debate performance tonight was perhaps the worst in the history of debates, and there have been some really bad ones. He was stumbling, bumbling and grossly incompetent. If this doesn’t knock him out of the race, nothing will. Not so easy to do what I did!

Former New York Mayor Mike Bloomberg, who has spent hundreds of millions of dollars on ads for his presidential run, made his debut on the debate stage ahead of Nevada’s party caucuses on Saturday.

Yesterday's debate was the first time former New York mayor Michael Bloomberg had appeared on stage with his rivals. It finally gave them a chance to attack him, and they did so, without mercy.

Senator Elizabeth Warren delivered perhaps the most effective moment of the evening when she ripped into Mr Bloomberg over accusations of sexism.

Read on for all the details from a feisty debate.