In a kidnap case that is always the most dangerous phase.

It said "the situation in our country has reached a very dangerous phase.

The three-year-old Bosnian war is moving into a new and dangerous phase.

The first teams were given the most dangerous phases: the temperature reached 60 C, the workers had to alternate every 5 minutes.

For an operation with virtually no planning, its most dangerous phase had gone smoothly enough.

Now the situation appears to have moved into a new and potentially more dangerous phase.

When Stile set up to ride him, their relationship entered a new and dangerous phase.

But if the trade pact goes down to defeat, he said, "we will certainly be entering into a dangerous phase."

A dangerous new phase of superpower involvement could also start again.

This was the most difficult and dangerous phase of the operation.