Security sources say IS was simply trying to "jump on the bandwagon" by claiming responsibility
In truth, GCHQ believe IS had nothing to do with the attack and that killer Khalid Masood had never exchanged a word with the terror group.
Within 24 hours of Wednesday’s atrocity, the group’s Amaq propaganda agency said a “soldier of Islamic State” was behind the incident.
It said British-born Masood was following a call made by the group to launch attacks on civilians and security forces in countries allied to the US-led coalition bombing its territories in Syria and Iraq.
GCHQ believe that Masood never exchanged a word with IS
It is 100 per cent categorically untrue to suggest that they were in any way involved
Last night an insider rubbished the claims, saying IS had “absolutely nothing to do with it. They are just jumping on the bangwagon.
“It is 100 per cent categorically untrue to suggest that they were in any way involved.
“Initial analysis of Masood’s communications suggest he had no contact with them whatsoever.”
Within 24 hours the group's propaganda agency said a "solder of Islamic State" was behind it
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Although Masood may have been inspired by Islamist terrorism, the wording of the statement suggests no direct involvement from IS.
The 52-year-old married father-ofthree spent four years in Saudi Arabia from 2005 to 2009, before IS was established.
During a statement to the House of Commons on Thursday, Prime Minister Theresa May admitted Masood had been previously investigated by M15 over extremism but was not “part of the current intelligence picture”.
London terror attack: Latest pictures Fri, March 24, 2017
4 dead and 40 injured in London terror attack
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Armoured police personnel carriers are seen on a street leading to the Houses of Parliament in central London on March 24, 2017 two days after the March 22 terror attack on the British parliament and Westminster Bridge
Masood may have been inspired by IS
The Sunday Express has learned that within half an hour of the incident, MI5 had contacted the Home Office to demand more armed police on the streets, more money and a full security review.
Their immediate response suggests they had concerns about the lack of armed police patrolling the entrances and exits of Parliament.