<Tr> <Th> Assailants </Th> <Td> Salman Ramadan Abedi </Td> </Tr> <Tr> <Th> Motive </Th> <Td> Islamic extremism </Td> </Tr> <P> The 2017 Manchester Arena bombing was an Islamic terrorist attack in Manchester, United Kingdom . On 22 May 2017 a shrapnel - laden homemade bomb was detonated as people were leaving Manchester Arena following a concert by the American singer Ariana Grande . Twenty - three people were killed, including the attacker, and 250 were injured . </P> <P> After initial suspicions of a terrorist network, police later said they believed the bomber, Salman Ramadan Abedi, had largely acted alone but that others had been aware of his plans . </P>

Where is manchester where the bombing took place