Pakistan have been cleared of any wrongdoing, after an ICC investigation into their eight-wicket defeat against Sri Lanka in the opening match of the ICC Champions Trophy. "The matter is over and Pakistan does not have to worry about anything," said an ICC spokesman, adding that the Pakistani management had been informed.

Pakistan, whose limp display followed on from disappointing performances in the tri-series tournaments in Morocco and Nairobi, are out of the Champions Trophy already – thanks to Sri Lanka's victory over Holland – and the manner of their defeat had raised suspicions.

As part of the security protocols put in place for the Champions Trophy, the ICC Anti-Corruption Unit (ACU) requested that the local television network should provide tapes of certain incidents in the match. Mark Harrison, ICC's media manager, had declined to specify which moments in particular, although Yousuf Youhana, who was run out after facing one ball, was a notable dismissal.

An ICC statement went on to quote Lord Condon, the head of the ACU: "The role of the ACU at this tournament is to provide all players and teams with an effective anti-corruption infrastructure. That will include detailed monitoring of all matches, including, when appropriate, reviewing any incidents that take place during matches that may look unusual. No one should be surprised at this approach and the unit will be looking at other incidents in other matches during the course of the tournament."

The Pakistan Cricket Board (PCB) had reacted angrily to the allegations, describing them as "baseless and ridiculous". But this time Yawar Saeed, Pakistan's team manager, was more conciliatory: "I was given a copy of the ICC statement issued on Monday and told there was nothing to worry about," he said. "The matter is finished."

The ICC has also confirmed that, in the same match, there were no allegations of ball-tampering against Sri Lanka. An article in the Sun Herald newspaper suggested that Pulasthi Gunaratne had damaged the ball in the 10th over of the innings. But Mike Procter, the ICC's match referee, described the allegations as "completely untrue and baseless."

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