David Cameron has said that he hopes the report in to the Golden Temple raid in 1984 would 'reassure Sikhs'.
In a video message the Prime Minister said: "I hope the manner in which we've investigated these dreadful events will find some reassurance to the Sikh community here in Britain and elsewhere."
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A 23-year-old man has been arrested in connection with the attack at Manchester Arena last night.
Theresa May says police think they know identity of lone bomber as she contrasts "warped" terrorist with courageous emergency services.
Donald Trump has branded those who take part in terrorist acts as "evil losers" in the wake of a suicide attack at Manchester Arena.