21.   The building collapsed in a deafening explosion.

22.   The fanfare seized up on its first chord and then seemed to fall over itself, collapsing in a welter of notes.

23.   The foreigner stumbled on a few steps, his brains leaking out around his earphones, and collapsed in a heap.

24.   The rest of it crashed to the ground and the teachers collapsed in a heap on the floor.

25.   There he collapsed in an exhausted heap, all strength drained from his limbs.

26.   They finally collapsed in a heap on the grass.

27.   Under the impact of soaring oil prices living standards collapsed in a welter of rationing and corruption.

28.   Upon reflection, we might wonder why such an economy does not collapse in complete chaos.

29.   Who knew when she might collapse in a heap of baubles and bangles?