Theresa May arrives on the European Council summit in Brussels
Citizens might be much less secure if the UK has to go away key policing agreements after Brexit, Prime Minister Theresa May has warned EU leaders.
The UK says EU negotiators are blocking settlement on monitoring terrorists and sharing info after March 2019.
The EU says as soon as the UK turns into a "third country" it can't have the identical entry to policing initiatives.
But Mrs May instructed EU leaders at a dinner in Brussels it might imply their capability to battle terrorism could be lowered.
"We would no longer be able to share real-time alerts for wanted persons, including serious criminals," she mentioned.
"We would have the opportunity to reply much less swiftly to alerts for lacking folks on both aspect of the Channel and reunite them with their family members.
"Our collective capability to map terrorist networks throughout Europe and produce these accountable to justice could be lowered.
"That is not what I want and I do not believe it is what you want either," the prime minister mentioned.
She mentioned EU leaders ought to inform their negotiators to permit the UK to proceed to participate in schemes just like the Prum mechanism for sharing DNA profiles, the Second Generation Schengen Information Systema database of "real time" alerts about sure peopleand the European Criminal Records Information System.
She urged them to "consider what is in the best interests of the safety of your citizens and mine and give your negotiators a mandate that will allow us to achieve this crucial objective."
BBC political editor Laura Kuenssberg mentioned Mrs May hoped to persuade the 27 different EU leaders to transfer away from what the UK authorities regards as a inflexible method from the EU Commission in negotiations and to ease up on their "red lines".
By the BBC's political editor Laura Kuenssberg
The UK is raring for the EU to turn out to be extra versatile. To transfer away from what the federal government regards as a inflexible method from the EU Commission.
At dinner on Thursday night time there's a likelihood for her to persuade the opposite leaders to loosen that method.
Only they will inform their negotiators to ease up on their purple traces.
In return for that request, she'll promise that the UK might be in a position to agree on its blueprint for the longer term relationship between the UK and EU, at a assembly of her cupboard subsequent week.
With nearly each day skirmishes at housethat would show optimistic.
Read Laura's full weblog
Earlier this month EU chief Brexit negotiator Michel Barnier mentioned the UK could be kicked out of the European Arrest Warrant deal after Brexitwhich permits EU members to request the arrest and detention of criminals in different international locations with out extradition talks between them. He argued it couldn't stay an a part of it as a result of the UK needed to go away the European Court of Justice and free motion guidelines.
The prime minister has been briefing EU leaders at a summit for the final time earlier than October, when each side hope a deal might be completed on the UK's March 2019 departure.
But the European Commission president instructed UK cupboard splits had been making issues tougher.
Arriving on the summit in Brussels, Jean-Claude Juncker mentioned: "I haven't got to lecture Theresa May, however I would really like our British buddies to clarify their place.
"We cannot go on to live with a split cabinet. They have to say what they want and we will respond to that."
The prime minister, who has been underneath strain inside her personal party, has known as her cupboard collectively for a assembly at Chequers on 6 July to agree the UK's blueprint for its future relations with the EU.
Arriving in Brussels, Mrs May mentioned she was wanting ahead to "securing our strong future partnership" which she mentioned was within the pursuits of each the EU and UK .
"I think both sides are keen to continue that work at a faster pace than we have done up till now and certainly we would welcome that."
The prime minister has been holding a variety of face-to-face conferences with European counterparts on day one of many two-day summit, which is targeted on the migration challenges going through Europe and eurozone reform.
The remaining 27 EU leaders are due to talk about Brexit on their very own on Friday morning, by which level Mrs May is anticipated to have left Brussels.