TSA cracks down on carry-on powders

The Transportation Security Administration is stepping up its efforts to limit how much powder passengers can bring on board.

TSA kicks off a new campaign Wednesday to remind travelers about the current regulations.

The focus is on containers holding more than 350-milliliters of powder. That's about the size of a soda can.

The rule was passed last summer, and so far it's been enforced on domestic flights.

Starting on June 30, TSA will request foreign airports with direct flights to the U.S. to do the same.

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