Iran's ability to enrich uranium troubles U.S. lawmakers

WASHINGTON (Reuters) - U.S. lawmakers in the House of Representatives said on Wednesday they are concerned about Iran's ability to continue enriching uranium under the interim agreement on Tehran's disputed nuclear program, an issue they are likely to press as global powers attempt to reach a final agreement.

The concerns showed that House lawmakers could be willing to push for a new sanctions package next year that would define what Congress would be willing to accept in a final deal with Iran.