Tropical Storm Alex was set to strengthen into a hurricane on Tuesday, delaying BP Plc’s efforts to increase siphoning capacity at the gushing oil well in the Gulf of Mexico where some companies evacuated workers. Alex was forecast to move slowly away from the Yucatan Peninsula over southern Gulf waters and curl northwest away from major oil-extraction facilities to make a second landfall in northern Mexico mid-week.

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Tropical storm Alex strengthens, likely to delay oil spill recovery efforts

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