MI5 has issued a rare warning that an alleged Chinese agent has infiltrated Parliament to interfere in UK politics. An alert from the security service said Christine Ching Kui Lee "established links" for the Chinese Communist Party (CCP) with current and aspiring MPs. She then gave donations to politicians, with funding coming from foreign nationals in China and Hong Kong. It comes after a "significant, long-running" investigation by MI5, Whitehall sources told the BBC. One of the MPs funded by Ms Lee was Labour's Barry Gardiner, who received over £420,000 from her in five years - but he said he...