CHRISTMAS markets have been encased by concrete barriers as armed cops carry out patrols amongst the crowds in a bid to stop a Berlin-style terror attack.

Stop and check searches complete the high level of security at the festive set-ups this year after Britain has been hit with five terror attacks since March.

10 Large concrete bollards and structures have been installed to stop any vehicles driving into the markets Credit: SWNS:South West News Service

10 Security gates added around Manchester Christmas Market in Albert Square Credit: SWNS:South West News Service

Pedestrianised areas have been blocked off to stop vehicles driving into crowds - after a terrorist killed 12 when he ploughed a lorry through Berlin's Breitscheidplatz last year.

As an extra measure of security plain clothed cops will mingle with visitors at markets in London, Birmingham, Manchester, Leeds, Edinburgh and Bath.

The current UK terror level threat is at "severe" - meaning an attack is "highly likely" - and in light of this the Local Government Association has warned councils to be vigilant.

Last year 200 undercover SAS soldiers were deployed to secret locations across the country, including the capital.

10 Police will mingle with the crowds this year to prevent any attacks taking place Credit: SWNS:South West News Service

10 Barriers being installed in Bath city centre ahead of the start of the city's Christmas Market Credit: SWNS:South West News Service

Winter Wonderland in Hyde Park saw an increase in security and bollards were installed following the horrific attack in Germany.

Similar bollards were installed in London after vehicles mowed down pedestrians on Westminster and London Bridges earlier this year.

A Met Police spokesman said: "The public may see additional protective security measures and barriers at events this year, in response to a number of vehicle-based terrorist attacks we have sadly seen both here in the UK and abroad.

"There could also be increased security checks at some events and venues so we advise the public to arrive in plenty of time to allow for this."

In Birmingham, officers are carrying out "vehicle-based and foot-based stop checks" at a number of locations throughout the city centre.

10 Lines of concrete barriers will keep people hitting the Christmas markets safe Credit: SWNS:South West News Service

10 Security measures are in place at Leeds Christmas market due to the heightened terror threat Credit: SWNS:South West News Service

10 Armed police will be amongst the crowds at Christmas markets this year Credit: SWNS:South West News Service

Manchester has also stepped up security in the wake of the Manchester Arena bombing, which killed 23 people following an Ariana Grande gig in May.

Superintendent Chris Hill, of Greater Manchester Police, said: "People's natural response when they see extra security can sometimes be one of fear or concern, worrying that the extra measures mean that it's more dangerous.

"I want to assure people that we are strengthening protective security as an extra precaution to keep people as safe as possible, and it should make people feel more comfortable and reassured about attending events like the Christmas Markets.

"This has been a difficult year for the city and we must never forget the people who have been affected.

" However, we have already all come together and shown our strength and determination to carry on enjoying our day to day lives.

"I want to encourage everyone to do the same. We are here and we're doing everything that we can to keep you safe."

10 Armed Police on patrol at Edinburgh Christmas Market - security measures have been increased all over the country

10 Credit: SWNS:South West News Service

Bollards put up near the Christmas market in Leicester Square, Central London

10 Security measures put up near the Winter Wonderland market in Hyde Park Credit: SWNS:South West News Service

Hertha Berlin fans pay emotional tribute to the Berlin Christmas market attack victims

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