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The report, which also examined the response to other terror attacks to hit the country in 2017, highlighted a litany of errors made by police and security services, including MI5’s decision not to place travel restrictions or monitoring on Abedi, meaning he was able to return to Britain from Libya to carry out the attack.
“What we can say is that there were a number of failures in the handling of Salman Abedi’s case and while it is impossible to say whether these would have prevented the devastating attack, we have concluded that, as a result of the failings, potential opportunities to prevent it were,” ISC chairman Dominic Grieve said in a statement.
A woman appears emotional as she looks at flowers left in St. Ann Square on Tuesday, May 23, 2017, in Manchester, England.
Jeff J Mitchell/Getty Images
The findings of the report make grim reading for the security services. It found that:
Abedi visited an extremist in prison on more than one occasion but security services took no action.
No travel or monitoring restrictions were placed on Abedi, allowing him to travel back to Britain from Libya to carry out the attack.
MI5 systems moved “too slowly” after Abedi’s case had been flagged for review.
Abedi was not placed on the Prevent anti-terror program.
There were deficiencies in MI5’s system for monitoring individuals of interest not currently under active investigation.
The system for regulating and reporting purchases of ingredients to make explosives was “hopelessly out of date.”
Floral tributes and a message that reads "We Stand Together" are pictured in Albert Square in Manchester two days after the attack.
CHRIS J RATCLIFFE/AFP/AFP/Getty Images
The ISC reviewed the security response to five terror attacks to hit Britain in 2017 in which 36 people were killed.
While Grieve acknowledged that both MI5 and Britain’s counterterrorism police have been “thorough in their desire to learn from past mistakes,” he warned that words were not enough.
“The lessons from last year’s tragic events must now result in real action,” he added.
