Manchester (United Kingdom), May 23 (EFEEPA) - (Camera: Nigel Roddis). Children are among the 22 people killed by a suspected suicide bomber who detonated an explosive device in the entrance lobby of a large music arena following a concert with American singer Ariana Grande, police said Tuesday.br  br INCLUDES FOOTAGE COURTESY OF OFFICAL TWITTER ACCOUNT @ARIANAGRANDE, TWITTER USER @JOEAARONGREGORY, @HANNAWWH AND @ELLIEFREYAX.