A US congressional panel has criticised internet firm Yahoo for not giving full details to a probe into the jailing of a reporter by Chinese authorities.
Yahoo had been "at best inexcusably negligent" and at worst "deceptive" in evidence given to the House Foreign Affairs Committee last year, it said.

Yahoo's Michael Callahan originally told Congress he did not know why China wanted the reporter's details.

Shi Tao was jailed after Yahoo helped Chinese officials identify him.

Chief executive Jerry Yang said his firm had always been open with Congress and that it was "fully committed to protecting human rights".

Yahoo has previously said it had to comply with Chinese laws to operate in the country.

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