In October 2025, the UK government faces intense scrutiny after the Crown Prosecution Service dropped espionage charges against two men accused of spying for China. The case collapsed because the government did not provide evidence that China was a national security threat at the time of the alleged offences, a legal requirement under the Official Secrets Act 1911. Parliamentary committees have launched inquiries, and MI5 has expressed frustration over the decision amid ongoing UK-China diplomatic engagement.