Two weeks ago, for the first time, Chinese officials requested help from the world organization, which sent an investigating team.

Both officials requested anonymity because they are not authorized to talk to the press.

Still, many other sites may not receive money that regional officials have requested.

The officials requested anonymity because they were not authorized to speak on the record on these issues.

American officials said they had given both sides a specific agenda and requested a delegation capable of doing the job at hand.

The medical officials requested anonymity because they were not allowed to speak to journalists.

The officials requested anonymity in order to speak ahead of the president's official announcement.

Military officials requested that witnesses not be identified by name, for their protection.

The official, and others interviewed, requested anonymity before they would comment on plans that had not yet been made final.

The officials requested a meeting with top executives of the company in early June when the plan was announced.