Bernie Sanders has ended his campaign for the 2020 Democratic presidential nomination.<br /><br />The 78-year-old's departure from the race leaves a clear run for rival Joe Biden to take on Donald Trump in November.<br /><br />The Vermont senator's hopes at the candidacy were dashed when South Carolina and several other battleground primaries were won by Mr Biden.<br /><br />Analysts put Mr Sanders' decline down to the coronavirus crisis forcing the cancellation of political rallies, which is where he thrived.