Shakes on a plane are now no-no's. Some other liquids and solids are, too. Security measures have been constricted to better deter terrorists.
Terrorists were in the "final stages: of a plot to simultaneously blow up as many as 10 jets leaving Britain for the U.S., sending the planes and thousands of passengers into the Atlantic Ocean, U.S. Homeland Security Secretary Michael Chertoff said Thursday. British and Pakistani authorities teamed up to thwart the attacks, and 24 men were arrested in overnight raids in Britain, authorities said.
An undercover British agent infiltrated the group, giving the authorities intelligence on the alleged plan, several U.S. government officials said. (Watch as neighbors describe the dramatic arrests -- 2:18