Labour leader Jeremy Corbyn says the prime minister has answers to give on reports of Russian interference into the UK's democratic process and 'Russian donations' to the Conservative Party. <br /> <br />He questions why Boris Johnson has "at no stage denied" the allegations were incorrect, and has refused to publish findings into a security investigation. Report by Alibhaiz. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn