Jeremy Corbyn win: Conservative Party warning that new Labour leader is 'threat to national security' mocked on Twitter

The Prime Minister lead the warning

Prime Minister David Cameron has said Labour leader Jeremy Corbyn is a threat to national security (Andrew Winning - WPA Pool/Getty Images)

The Conservative Party is facing ridicule after it responded to Jeremy Corbyn’s landslide Labour leadership victory by warning that he is a “threat to national security”.

Mr Corbyn gained 59.5 per cent of votes in the election, leaving his rivals Andy Burnham, Yvette Cooper and Liz Kendall in the dust with 19 per, 17 per cent and 4.5 per cent respectively.

As part of what appeared to be a co-ordinated response to the left-winger’s win, David Cameron lead his party in warning the public of the apparent risk that Mr Corbyn posed to the nation.

His comments were mirrored by other Conservative MP on Twitter, as well as defence secretary Michael Fallon and justice secretary Michael Gove in separate interviews with the BBC.

The apparent concerted effort to link Mr Corbyn to a security threat in the public psyche did not go unnoticed, with Twitter users including comedians Stephen Mangan and Vikki Stone criticising the Prime Minister, while economist Danny Blanchflower criticised the Government's own policies.

The messages come after senior Tory figures previously raised concerns about “security” with Mr Corbyn at Labour’s helm, with Mr Cameron using the words six times in an article in The Times in August, and eight times by Chancellor George Osborne in The Sun, according to The Guardian.