New US flight security targets soda...

NEW YORK (Reuters) - Tossing out cans of soda... passengers at U.S. airports on Thursday dealt with tight new security measures prompted by news of a foiled plot to bomb flights to the United States.

Security sources believe liquid explosives would have been carried separately onto flights and then mixed on board to make a lethal concoction.

US Homeland Security Secretary Michael Chertoff said the conspiracy was sophisticated, well-advanced and well-planned and "suggestive of an al Qaeda plot".