U.S. spill efforts to ramp up; anxious eyes on storm

GRANDE ISLE, Louisiana (Reuters) - The first named storm of the Atlantic hurricane season is posing an uncertain threat to the Gulf of Mexico, even as efforts to contain the worst oil spill in U.S. history are set to ramp up.

For now, Tropical Storm Alex, which is hitting the western Caribbean with rain and high winds, is not expected to pass close to BP Plc.'s blown-out well off the Louisiana coast.