NEW : BP , Shell evacuate nonessential personnel from Yucatan Peninsula platforms . `` We 've never seen an oil spill that encompassed the Gulf like this , end up so close to shore . '' If stopped , oil recovery could be suspended for two weeks . Alex could push more oil ashore . Allen moving toward Louisiana 's Yucatan Peninsula .
NEW : BP , Shell evacuate nonessential personnel from Yucatan Peninsula platforms . If stopped , oil recovery could be suspended for two weeks . Alex could push more oil ashore . Allen moving toward Louisiana 's Yucatan Peninsula .