A United Airlines plane was forced to make an emergency landing in Shannon, Ireland on Monday after a bomb threat was found on board.
A plane flying from Europe to the United States has been diverted after a cryptic note hinting at a bomb was reportedly found scrawled on the wall in the aircraft's bathroom.
The 207 passengers and 11 crew members disembarked the Boeing Co 767-330 at Shannon Airport at 2:15 p.m (1315 GMT), according to Jim Molloy, a representative of Ireland's police force.
A transatlantic flight has been diverted to Shannon Airport in Ireland, after what is understood to be a bomb threat was found inside the plane.
United Airlines has confirmed the diversion was due to a "potential security concern".
"We will work to get customers on their way to Chicago as quickly as possible", the company said.
The airline said on Twitter that the flight was now cancelled and would depart for Chicago on Tuesday.
Passengers are now being investigated with police taking writing samples from all those on board.
The Irish Times reports that the threatening message was scribbled on a surface inside one of the plane's bathrooms.