Live Democratic debate coverage: Bernie Sanders faces onslaught in South Carolina

Bernie Sanders was the biggest target in a very bad-tempered presidential debate today - and even the crowd got involved.

Bernie Sanders was the big target at today's Democratic debate.

Mr Sanders has become the overwhelming favourite for the party's presidential nomination  in the wake of his decisive victory in the Nevada caucuses over the weekend, and his earlier win in New Hampshire.

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The debate was widely seen as his opponents' "last chance" to halt his momentum before a swathe of more than a dozen states vote next week.

And crucially, it was the last time he would appear on stage with the other Democratic candidates until mid-March.

Mr Sanders' rivals certainly tried to go after him, and the debate quickly turned bad-tempered, as they repeatedly spoke over each other, shouted and flouted the moderators' rules.

It was, in truth, quite farcical. And the moderators themselves offered up one last gaffe right at the end, just to top things off.

Read on for our coverage of all the key moments.