1.   The crowd watched in horror as the plane hit the ground and burst into flames.

2.   The tanks exploded as the plane hit the ground.

3.   The plane hit quite a bit of turbulence during our flight.

4.   Flight attendants had to calm jumpy passengers after the plane hit unexpected turbulence.

5.   The investigation team said Mr Gower was probably attempting an emergency landing when the plane hit a tree and nose-dived to the ground.

6.   An hour later, the first plane hit.

7.   And in Washington, federal employees were sent home from many buildings shortly after the plane hit the Pentagon.

8.   And, just then, it is like an earthquake when the plane hits the south building.

9.   Another senior official said that after that plane hit the Pentagon, a chilling threat was phoned to the Secret Service.