© MSN NewsThe flight path of American Airlines Flight 55 July 19 shows it turning back to Ireland.
An unspecified emergency forced an American Airlines jet headed to Chicago from England to turn back and land in Ireland. All passengers are safe.

An American Airlines flight bound for Chicago made an emergency landing in Shannon, Ireland, Friday after departing from Manchester, England.

The Boeing 767 carrying 212 passengers experienced an unspecified emergency and landed safely. All 212 passengers have safely exited the plane.

A supposed passenger on the flight said on Twitter that the emergency was "a fire alarm. But no fire." She posted a picture taken from the airplane window of the Shannon Airport with emergency vehicles surrounding the plane on the ground.

According to, American Airlines Flight 55 had passed over Ireland and begun its journey over the Atlantic before turning back, landing about two hours after it departed Manchester.