Seven CIA agents were killed and six wounded in a suicide attack on a US base in eastern Afghanistan, the Central Intelligence Agency confirmed yesterday.

The CIA issued the confirmation after media reports said as many as eight CIA employees were killed in the attack Wednesday, in which a Taliban bomber managed to penetrate the defenses of a base in the province of Khost, detonating an explosives belt in a room described as a gym.

CIA chief Leon Panetta told the agency "today that seven of their colleagues were killed and six others were injured on Wednesday at a Forward Operating Base in Khost Province, Afghanistan. The casualties were the result of a terrorist attack," the CIA said in a statement.

The base had been used by the CIA and one of the many provincial reconstruction teams that dot the country. The teams were designed to deliver humanitarian assistance and stabilising difficult areas.

"Those who fell yesterday were far from home and close to the enemy, doing the hard work that must be done to protect our country from terrorism," Mr Panetta said his message.

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