1.   The valley narrowed and hampered escape, and now Church began to score.

2.   Grills on some windows hampered escape.

3.   Grills on some of the windows hampered escape.

4.   The fire safety expert said the three unauthorised alteration works at the T-shaped exit had hampered escape from the blaze.

5.   Most of the inmates were asleep when the fire broke out and their escape was hampered by barred windows and locked doors.