We had technical information ... that this work would happen," intelligence chief Saleh told a National Assembly session broadcast live on national television. "We passed this information to the national security (adviser) and to the president of Afghanistan."Despite stringent measures by security services to protect the event, "the result is that we failed," Saleh said.
An Afghan intelligence official has said about 100 people were rounded up for questioning after the attack. Some of those questioned have since been freed, officials say. The official spoke to The Associated Press on condition of anonymity because he was not authorized to speak to the media.
Saleh, Defense Minister Abdur Rahim Wardak and Interior Minister Zarar Ahmad Moqbel were summoned to explain to lawmakers what happened Sunday.
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