1.   Mr Morris said the victims had suffered from a very grievous mistake.

2.   At first glance, the growing litany of grievous mistakes made by the FBI in recent years seems to lack a common thread.

3.   But it would be a grievous mistake to stop gene-therapy trials that have not had problems.

4.   It seems a grievous mistake not to include the sixth episode along with the rest.

5.   Ruling out ground forces at the start was a grievous political mistake, convincing Milosevic that we were not serious.

6.   Some experts said it would be a grievous mistake to let the threats of armed groups deter appropriate law enforcement.

7.   That would be a grievous mistake.

8.   That would be the most grievous mistake that this board could make.

9.   They are making a grievous mistake.