James Comey, the Director of the FBI, has confirmed that the agency is investigating any possible links between people associated with Donald Trump's presidential campaign and Russia.

Mr Comey, appearing before the House intelligence committee, took the usual step of confirming an ongoing investigation and said it would include whether any crimes were committed.

He sad the FBI was investigating Russian interference in last year's US presidential election.

Mr Comey said: "That includes the nature of any links of individuals associated with the Trump campaign and Russia. This will also include whether any crimes were committed."