Two Democratic senators have called for the chief mental health official of the Veterans Affairs Department to resign, saying he tried to cover up the rising number of veteran suicides.

American Airlines said it was canceling up to 500 flights Tuesday, potentially more than one-fifth of its schedule, to check the bundling of wires in some planes, the same issue that caused the airline to scrap more than 400 flights last month.

ATA Airlines shut down operations and stranded thousands of travelers Thursday when an unexpected loss of key charter flights and soaring fuel costs forced the carrier into bankruptcy.

Zimbabweans lined up before dawn Saturday for crucial elections in which President Robert Mugabe faces the toughest challenge yet to his 28-year rule.

A 20-mile stretch of Interstate 64 was closed overnight because at least four cars were struck by bullets, injuring two people. The highway reopened Thursday morning.