The Prime Minister ordered troops onto the streets on Friday night after a suspected Islamist placed a powerful time bomb on a...
Theresa May took the decision after the independent Joint Terrorism Assessment Centre (JTAC) recommended raising the terror threat to its highest level, Critical, meaning another attack is expected.
The army will deploy troops at key locations around the capital in order to free up police who were last night involved in a huge manhunt to catch the terrorist responsible for the failed Parsons Green bomb attack, which Islamic State of Iraq and the Levant claimed responsibility.
At least 29 people were injured, including a boy believed to be aged about 10 when an improvised explosive device (IED) went off on a packed rush hour tube at Parsons Green in west London yesterday morning.

Witnesses described scenes of terror and panic after the blast sent a "fireball" and a "wall of flame" through a District line service in west London.
But the main device, which had been fitted with a crude timer using shop-bought fairy lights, failed to detonate, meaning hundreds of people were spared death and serious injury.

Anti-terror police are understood to be working on the theory that the bomb was detonated early by accident and that the intended target may have been the Tube station at Westminster.
The attack - the fifth terrorist attack on the UK in just six months - caused a diplomatic row between Washington and London.
Donald Trump seemed to accuse the Metropolitan Police of knowing the identity of the attacker in advance but failing to prevent the bombing. Mr Trump posted on Twitter: “Another attack in London by a loser terrorist. These are sick and demented people who were in the sights of Scotland Yard. Must be proactive!”
His claim earned the US President a stiff rebuke from Theresa May. “I never think it’s helpful for anybody to speculate on what is an ongoing investigation,” said the prime minister. “The police and security services are working to discover the full circumstances of this cowardly attack and to identify all those responsible.”
Despite Mr Trump’s suggestion that the terrorist was known to police, counter-terrorism sources insisted that was not the case and that the hunt for the perpetrator of the bombing on a District Line train was ongoing.
Counter terrorism specialists from Scotland Yard were last night working to establish his identity from CCTV footage on the train and at stations on the line. They were also combing through records of payments with Oyster cards used to buy Tube tickets.
One theory is the suspected bomber may have fled the scene among the stampede of panicking passengers and escaped among the crowds.
They were also uncertain that Parsons Green was not the planned target, pointing to reports that the bomb, which was packed with shrapnel and contained a timing device, had apparently malfunctioned.
Witnesses reported seeing people "covered in blood" after a "flash and a bang" from the device, but sent a "fireball" through the packed Tube train.
Pictures and video posted on social media showed a flaming bucket - which appeared to have wires coming from it - inside a Lidl carrier bag on the floor of a carriage.
The device is not believed to have fully detonated and it is reported that it could have been set off on a timer.
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