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A no-deal Brexit would leave both the EU and UK at greater risk, the Security Minister will say.

Ben Wallace will warn that departing the bloc without an agreement would have a "real impact" on authorities' ability to protect the public.

In a speech to law enforcement and security leaders on Thursday, he will argue the Brexit deal secured by Prime Minister Theresa May "strikes the right balance to keep everyone safe".

Addressing the International Security Expo in London, Mr Wallace will say: "The UK, through her experience of the last few decades has learnt that at the heart of effective security is close cooperation.

"And we and Europe know, from bitter experience, that often when there is a mistake or when something has been missed that we find, time and time again, that it has been due to a failure of cooperation.

"A no-deal situation would have a real impact on our ability to work with our European partners to protect the public."

The referendum vote in 2016 sparked questions over UK-EU ties on security.

On Wednesday, a Government paper said Britain will lose access to EU databases used by police to track terrorists and criminals in a no deal scenario.

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UK agencies would no longer be plugged in to systems for exchanging data including criminal records, alerts on wanted suspects, DNA, fingerprints and airline passenger information.

Extradition requests would take longer, while cooperation on counter-terrorism, cyber security and illegal migration would be affected.

In his speech, Mr Wallace will outline how the Brexit agreement sets the foundations for the most comprehensive security relationship the EU has ever had with another country.

The Government says the future partnership will include the ability to exchange information on criminals and tackle terrorism, to quickly share data on people travelling to and from the UK to spot potential threats, to exchange DNA and fingerprints, and to fast-track extraditions.

"This deal strikes the right balance to keep everyone safe," Mr Wallace will say.

(Image: BBC)

"It will be an ambitious partnership that ensures we can continue to work with our European partners in tackling our shared threats."

Diane Abbott MP, Labour’s Shadow Home Secretary, dismissed the Brexit security deal as " dangerously flimsy".

“There is no new security treaty on offer, which is vital for cross-border policing arrangements especially extradition," she said.

"Our access to policing and justice databases are also likely to be compromised without a new security treaty. There is too only the vaguest reference to many of the other vital tools that police here and in Europe use to tackle international terrorism and organised crime.

“The Government offers only aspirations for a vague security partnership, no plans for proper security arrangements, including with Europol.

“It is simply unacceptable. This is a bad deal for the country and fails on guarantees for security. Anyone who cares about our ability to tackle international crime should vote against Theresa May’s deal.”