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Veterans Against Terrorism, which already boasts 8,500 members, will press the Government to take firmer action against the 3,000 suspected Muslim extremists living in Britain when they present a petition to Downing Street on August 5. They will then stage a 30,000-strong march through Westminster to Trafalgar Square. The group staged a similar march last month in Manchester.

COLLECT Thousands of veterans have joined a campaign to fight the threat of jihadists in Britain

Members last night told of their “sheer frustration” after fighting jihadist groups overseas to find on their return that radical Muslims on security watch lists are roaming free. They offered to form an unarmed “Home Guard” to support the police. Organiser Dan McDevitt said: “We have more than 3,000 suspected jihadi terrorists and we know our security services, who are doing a good job, just cannot monitor all of them properly. The Prime Minster has said ‘enough is enough’ and we agree. Our solution is simple – deport all nonBritish citizens who cause serious concern and place GPS tags on the British ones.”

We could act like eyes and ears, and use our skills Sean Smart, a Yorkshire Regiment veteran

The group will also campaign for more funding to be given to front-line services such as police. Mr McDevitt said: “If beat police officers had all been carrying Tasers, they might have been able to tackle the London terrorists sooner. “The reason all police officers don’t carry Tasers isn’t because of the cost of the Taser itself, it’s the cost of training.”

Sadiq Khan leads sombre vigil for London terror victims Tue, June 6, 2017 London Mayor Sadiq Khan lead a vigil to commemorate the victims of the London Bridge terror attack. Hundreds attended the event outside London's City Hall Play slideshow AFP/Getty Images 1 of 24 London Mayor Sadiq Khan bows his head

GETTY Veterans Against Terrorism’s 8,5000 members will call from action against suspected extremists

Co-organiser Sean Smart, a Yorkshire Regiment veteran, said: “Some of us have served just two years while others, like myself, served for 24 years to defend both our country and Europe from terrorism. “The whole point was to keep this stuff away from Britain, but despite our best efforts we are seeing attacks like Manchester and London. “I feel we could be utilised here at home. We could act like eyes and ears, and use our skills. It’s not vigilantism.

GETTY The group will stage a 30,000-strong march through Westminster on August 5 after delivery a petition