1: Yasin Hassan Omar, 24, wanted over bomb attempt on Tube near Warren Street.
2: Muktar Said Ibrahim, 27, suspected of attempting to bomb a No 26 bus in Shoreditch
3: Ramzi Mohammed, wanted over failed attempt to bomb a Tube near Oval
4. Osman Hussa
Police believe all four 21 July London bomb suspects are now in custody after armed raids in the capital and Rome.
Roads were sealed off in west London as dozens of police, many armed and some in gas masks, surrounded properties.
Two men held in north Kensington were filmed by a witness stripped to the waist after police raided a flat.
Another suspect for the failed Tube and bus bombings has been arrested in Rome. The fourth suspect was detained in Birmingham on Wednesday.
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