Real-time access to EU police databases has not yet been agreed in the negotiations

‘Efficiency and effectiveness’ at risk as terror threat raised and crime becomes increasingly transnational.

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

Alternatives 'might need to be pursued', James Brokenshire tells inquiry - prompting demands to reveal how UK will be 'protected'.

A Sheffield MP is demanding the Government replaces £605m of EU cash earmarked for South Yorkshire after Brexit.