A Frontier Airlines passenger necessitated an emergency landing and was later taken into custody Friday night after he was found with a box cutter, according to an airline spokesperson. A second box ...

A Cincinnati-to-Tampa flight landed in Atlanta, where a man who had threatened to stab people was taken into custody. A second box cutter was found in his carry-on bag, officials said. By Vimal Patel ...

Box cutters were found on US Airways planes in Boston and Philadelphia on Tuesday, and federal officials said they were investigating how the tools made it on board. It was the second such discovery ...