A plane from Ireland has made an emergency landing in the US city of Philadelphia because of an unspecified threat.
A spokeswoman for Philadelphia International Airport said officials do not have any details about the threat or where the flight was originally headed.
Philadelphia police say emergency officials are meeting the plane and passengers are going to be taken off the jet to be screened.
USAirways Flight 777 from Shannon landed at Philadelphia International Airport this afternoon amid reports of a bomb threat.
Law enforcement officials met the plane on the tarmac and passengers exited the jet to waiting buses. FBI spokeswoman Carrie Adamowski said agents were assisting Transportation Security Administration officials in the investigation.
Police and airport officials said they did not have any specifics about the apparent threat or details about from where it may have originated.
US customs officials have screening facilities at Shannon Airport and the passengers aboard the plane would have gone through them before boarding.