the shop owner, abs forjani, is a cousin of the manchester bomber who was arrested earlier in the weekhis brothers. police also raided another house in the middle of the night, bringing the number of people in custody to nine, all men, mostly libyan, and aged between 18 and 38. they're very significant, these arrests. we are very happy we have our hands around some of the key players we are concerned about. there is still a little bit more to do. the bomber, salman abedi, came back to manchester from libya last week. renting a flat in this block, he had already bought many of the ingredients for his lethal device. it was here that salman abedi spent his last weekend, putting his bomb together, making the final preparations to attack a concert full of teenage girls. about three months earlier, before he went to libya for the last time, abedi rented a flat in this block, being pored over by forensics officers this week as a possible bomb factory. the flat is owned by aiman elwafi. this evening, his friend told the bbc what aiman found after abedi had left. a piece of metal in the bathroo