Sir Julian King told MPs that “data adequacy” for police was the “most significant, outstanding, unresolved issue” which had come out of the UK’s security agreement with the EU.

Sir Julian King, ex-European commissioner for the security union, spoke to the Commons Home Affairs Committee.

Former security commissioner warns of ‘immediate impact’ on tackling terrorism and crime.

Taxpayers could face paying for large fine after Downing Street fails to put forward nominee.

Prime minister refusing to pick after new president says UK must send a candidate.

Brussels unnerved by warlike rhetoric emanating from Westminster.