UK law enforcement can no longer immediately access real-time data about persons and objects of interest, including wanted and missing persons.

France, Germany and Poland among countries who will not send their own nationals to Britain

Police to lose access to database used more than 600 million times a year on 1 January.

Preparations being made at ‘every port and access point from Europe’, senior officer say.

‘There are certainly instruments that we may not have access to’, Foreign Secretary says - after police chiefs warned of ‘major impact on counter-terrorism’

Key information systems will be lost even if a security deal is struck before 31 December, National Crime Agency says.

Thousands of names ‘double keyed’ into Interpol system – in case screens ‘switched off’ in just eight weeks’ time.

The European Arrest Warrant will no longer be valid if the UK leaves the EU without a deal on 31 October.