A 24-year-old man was mauled to death while cleaning a grizzly bear enclosure at a wildlife casting agency in south-west Montana.

Enron has laid off 4,000 US employees after it filed for Chapter 11 bankruptcy protection.

US-based Enron Corporation, once the world’s largest energy trader, slid toward bankruptcy in one of the most spectacular downfalls Wall Street has ever seen after its would-be rescuer Dynegy Inc. backed out of an $8.4bn deal to take it over.