"It was madness all weekend," she says, relating how a colleague had warned her that "if a deal didn't go through, we were done".

A blacksmith in his 50's, who wanted his name used until a colleague warned him about reprisals, said the attacks on factories were senseless.

Well-meaning colleagues have warned him not to approach donors for contributions in this climate.

'But it does mean he's likely to be in a foul temper,' his colleague warned.

Lindsey and his colleagues warned Enron that the economic environment was riskier than they perceived.

They said their colleagues had warned them that they would be taking a chance.

A concerned colleague has warned me that the jewel box is essential to the gestalt of the CD.

"One colleague warned me, 'You better not talk about the union because the manager is going to fire you,"' she said.

Amminger and colleagues warn against over-interpretation of their findings.

"Be prepared for more of that," warned a colleague.