Tornadoes kill four people, cause major damage in Mississippi

Tornadoes unleashed by thunderstorms along the US Gulf Coast ripped through southeastern Mississippi on Tuesday, killing four people, injuring many and causing extensive damage, authorities said.

Isaac nears New Orleans; reaches hurricane strength

Tropical storm Isaac became a hurricane on Tuesday as it bore down on the on the Gulf Coast and New Orleans.

Baby dolphins dying along oil-soaked US Gulf Coast

Some 17 baby dolphin corpses have been found along shorelines of Alabama and Mississippi in two weeks.

Massive disaster looms in Gulf of Mexico spill

Fears are mounting that the US Gulf coast could face an environmental catastrophe.