Families of Manchester Arena bomb victims cannot continue suing MI5, judges rule

An inquiry concluded that MI5’s failure to act swiftly on crucial intelligence about the attack was a ‘significant missed opportunity’. Photograph: Christopher Thomond/The Guardian

The families of the Manchester Arena bomb victims have said they are “extremely disappointed” after judges ruled they could not continue their legal action against MI5.

More than 300 people affected by the suicide blast had sued the Security Service on the grounds that its failure to prevent the atrocity on 22 May 2017 breached their human rights.