The Western world's most wanted terrorist suspect is the widow of suicide bomber Germaine Lindsay, who took part in a series of coordinated attacks in London on 7 July, 2005.

Axar.az reports citing UK media.

Samantha Lewthwaite dubbed the White Widow is believed to be hiding in Yemen, British security services believe, The Mirror reported, adding that she might be under the protection of fighters from the militant group Al-Shabaab.

The 35-year-old was married to Germaine Lindsay, who was one of the four terrorists who detonated bombs on London's public transport system, targeting commuters during the morning rush hour on 7 July, 2005.

Fifty-two people died in the attacks, with Lindsay killing 27 of them on London's tube.

Lewthwaite, who is believed to have had plastic surgery to alter her appearance, is reported to have recently visited Dubai, with sources telling The Mirror that she might be up to a new series of terrorist attacks, including in London.