American officials described the Putin letter as a call for engagement, but without any new proposals.

He described the urban violence of last month as a "wake-up call."

The film proved controversial, with some film critics describing it as "a call to violence."

Buck Williams, the union president and one of the negotiators, described it as "a wake-up call."

Patient groups described it as a "wake-up call" for hospitals to improve their infection control.

Styrene later described it as "a call for liberation.

The contras described it as a virtual call to surrender.

It turned out that no significant problems took place, but North later described Y2K as "a close call."

The case was described as a wake-up call for journalism in Britain.

The organization describes it as a call for all races to embrace their various heritages.