A no-deal Brexit poses a risk to the public because the UK would lose access to EU-wide security powers and databases, police leaders have warned. Police and crime commissioners say law enforcement agencies "face a significant loss of operational capacity" if the arrangements stop. They have asked the home secretary to confirm his contingency plans. The Home Office says it will continue to make the case for the retention of the capabilities. In a letter to Home Secretary Sajid Javid , the Association of Police and Crime Commissioners' cross-party Brexit Working Group stresses the importance of continued co-operation with European policing and justice bodies after March 2019. At-a-glance: The UK's four Brexit options UK 'can't keep European Arrest Warrant' It says 32 measures are currently being used on a daily basis including the European Arrest Warrant; the Schengen Information System - a database of "real time" alerts about ce...