1.   The Jazz was aboard its private jet awaiting takeoff.

2.   Havel had to cancel an official trip to Italy on Monday because of the problem, which was discovered while awaiting takeoff on board the plane.

3.   Havel had to cancel an official trip to Italy on Monday because of his condition, which he suffered while awaiting takeoff on board the plane.

4.   Havel had to cancel an official trip to Italy on Monday because his heart started beating abnormally fast while awaiting takeoff on board the plane, doctors said.

5.   While the plane was on the tarmac awaiting takeoff, one of the two men allegedly told another passenger that they were terrorists, police said.