Trevor Muirhead and Neil McKenzie have been jailed for five years each at the High Court in Glasgow after being convicted of sending parcel bombs to Celtic manager Neil Lennon and other high profile fans of the football club.
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The Islamic centre where the Manchester suicide bomber is thought to have prayed says the attack "has no place in Islam or any religion".
German chancellor Angela Merkel and Indian prime minister Narendra Modi among those to praise "great spirit" of Manchester people.
The bomber's identity has been confirmed by Greater Manchester Police.