MI5 told to share key facts with MPs after Manchester Arena security failures

Victims’ families listen outside Manchester magistrates' court as the final report on the Manchester Arena attack is published on 2 March. Photograph: Christopher Furlong/Getty Images

Britain’s terror watchdog has called on the security services to ensure they promptly share any intelligence requested by MPs investigating the fallout of the Manchester Arena attack.

Last week’s public inquiry concluded that MI5 had missed a significant chance to take action that may have prevented the 2017 bombing that killed 22 people.