Ten people were killed and over 70 wounded Friday in two bomb attacks in a busy market in the Kenyan capital Nairobi, the latest in a wave of unrest blamed on extremist militants.

Ten people were killed and over 70 wounded Friday in two bomb attacks in a busy market in the Kenyan capital Nairobi, the latest in a wave of unrest blamed on extremist militants.

The twin bombings came as hundreds of British tourists were being evacuated from beach resorts near the port city of Mombasa after Britain's Foreign Office and other nations issued new travel warnings.

The National Disaster Operation Centre (NDOC) said the first blast in the capital occurred next to a 14-seater matatu, or public minibus, and the second was inside a shop in Gikomba Market close to Nairobi's central business district.

A spokesman at the Kenyatta National Hospital, Nairobi's main hospital, said eight bodies had been brought in and "more than 70" people admitted for treatment, many of them in a serious condition. The NDOC then revised the death toll up to 10, while another hospital said it had received around 14 patients.

"Many of the injured are bleeding profusely. We need a lot of blood," the spokesman, Simon Ithae, told AFP as the hospital issued an appeal for donors.

Nairobi police chief Benson Kibue confirmed that two bombs had been used, and the area was littered with debris including clothing hurled into overhead power and telephone lines.

"Two IEDs were detonated simultaneously," Nairobi police chief Benson Kibue told reporters at the scene, trying to reassure an increasingly sceptical public that the security forces are in control.

"Don't panic. We are on top of things," he said. Police also said two suspects had been arrested.