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.