11 June 2011 Last updated at 09:27 ET
Fazul Abdullah Mohammed, who is suspected of masterminding the 1998 US embassy bombings in East Africa, has been killed in the Somali capital, Mogadishu, reports say.
Kenyan police said they had heard the news from Somali officials. DNA tests are believed to be under way to confirm the dead man’s identity.
Fazul Abdullah Mohammed is the most wanted man in Africa.
More than 220 people died and 5,000 were hurt in the 1998 attacks.
They were al-Qaeda’s first major attack on US targets.