Argentine warns investors: oil companies in Falkland Islands working illegally

Thursday, March 22, 2012 | 9:23 p.m. CDT; updated 9:52 p.m. CDT, Thursday, March 22, 2012

BUENOS AIRES, Argentina — Argentina has asked stock markets in New York and London to warn investors of its claim that five oil exploration companies are working illegally off the Falkland Islands, which Argentina contends were stolen by Britain more than a century ago.