Plane lands safely in US after bomb threat

A United Airlines flight from the city`s O`Hare International Airport landed safely in Philadelphia after crew members found a threatening message in the plane`s lavatory that said "Bomb on, will die".

Qatari diplomat sparks US flight scare; no explosives found

US air marshals wrestled a Qatari diplomat to the floor on a flight to Denver in a security scare that prompted fighter jets to be scrambled and top White House aides to brief President Barack Obama, officials said.