21.   When the accident occurred he was not wearing a safety belt.

22.   In the beginning, so far back in antiquity that no record of it survives, an accident occurred.

23.   The NRC stressed that no accident had occurred at the plant.

24.   In some cases, accidents have already occurred, he said.

25.   If they are witnesses to fact, you will need to know where they were when the accident occurred and how good their line of sight was.

26.   The accident occurred last night in the Toxteth district of Liverpool as he and his friends played football.

27.   Nearly all the accidents in Darlington occurred at junctions, when cyclists were waiting to set off or just starting to pedal.

28.   Nearly all the accidents in Darlington occurred at junctions where cyclists were waiting to set off, or just starting to pedal, said Mr Hillcoat.

29.   The accident occurred late on Tuesday or early on Wednesday but was not discovered until a few survivors emerged and bodies began floating ashore.

30.   The accident occurred near Sallochy Bay on the east of the loch on Saturday.