Northwest Airlines

Nearly 50 years after skyjacker D.B. Cooper vanished out the back of a Boeing 727 into freezing Northwest rain — wearing a business suit, a parachute and a pack with $200,000 in cash — a crime historian is conducting a dig on the banks of the Columbia River in Vancouver, Washington, in search of evidence.

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Pilots of British Airlines launched a 48-hour strike. They demand higher wages and better working conditions. The protest has canceled 1,600 carrier flights, with an estimated 280,000 passengers affected.

A major dust storm engulfed northern China and Beijing on May 4, prompting authorities to cancel dozens of flights and urge children and the elderly to stay indoors. Buildings were shrouded by the greyish haze in the capital while residents who ventured out covered their mouths and noses with masks and bandanas.

An Air France passenger plane travelling to Paris was forced to land on Sunday following the discovery of a bomb in the toilet. Pilots of the Boeing 777 requested to land at Moi International Airport in Mobasa.

The airport was evacuated and now the device is being examined by bomb experts.

Passengers leave plane