Bookmakers say Donald Trump is now twice as likely to be impeached next year

U.S. President Donald Trump (Reuters/Kevin Lamarque/File Photo)

The odds of Donald Trump being impeached in 2018 have gone from 6/1 to 7/2, according to bookmakers Paddy Power.

The change comes after the President’s former campaign chief was indicted by a federal grand jury on a host of charges by the investigation looking into collusion between Russia and the Trump campaign over interference in the presidential election.

The odds of the President being impeached in his first term have shortened from 2/1 to 5/4 and the likelihood of the FBI confirming collusion between Trump and Russia has gone from 4/9 to 1/5.

Paul Manafort and his campaign deputy Rick Gates are accused of conspiracy against the United States and money laundering, amongst other charges.

Trump went on a Twitter rampage in an attempt to distance himself from the controversy, saying that the allegations related to events ‘years ago’ and suggesting that the finger of blame should instead be pointed at Hillary Clinton.

In total, 12 charges have been made against Manafort and one of his business partners, Rick Gates, who also served in the Trump campaign bid.

They are the first charges arising from the investigation by Justice Department special counsel Robert Mueller, who was appointed to look into alleged Russian meddling in the 2016 U.S. election campaign aimed at swaying the vote in favour of Trump.

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The extraordinary revelations came to light as it emerged another Trump election aide, George Papadopoulus, had already pleaded guilty to making false statements to the FBI.

Papadopoulos, who served as a foreign policy adviser to Trump, signed a plea deal on October 5 admitting his guilt.

Manafort and Gates were charged on Friday in the District of Columbia in an indictment that was unsealed on Monday after the two men surrendered to the FBI.