File combination picture taken from closed circuit television and released by London's Metropolitan Police on July 22, 2005, shows the four suspects sought by police in connection with the attempted bomb attacks carried out on July 21, 2005 in London.  (Xinhua/Reuters photo)

A combo of four pictures released 22 July, 2005, by Scotland Yard shows the suspects of the attempted July 21 bombings. (Xinhua/Reuters photo)

    LONDON, July 29 (Xinhuanet) -- All four failed London bomb suspects are held in custody following armed raids in the UK capital and Rome on Friday.

    Two London arrests are thought to be the men wanted for the 21 July Oval Tube and No 26 bus attacks. A third bomb suspect was already being held, Sky news reported.

    The fourth suspect, wanted for the attempted Shepherd's Bush Tube attack, has been arrested in Rome and named as Somali-born UKcitizen Osman Hussain.

    Police arrested three people in raids in West London on Friday.

    Officers also arrested two women at a London underground station.

    Police are still questioning Yasin Hassan Omar, wanted over theWarren Street Tube attempted attack, who was arrested in Birmingham on Wednesday.

    Scotland Yard said they believed the arrests to be highly significant and described Friday as their "best day yet" since 21 July. Enditem