David Carruthers, chief executive of online gaming group BETonSPORTS, has been detained by U.S. authorities while changing planes, the company said on Monday, sending the shares down more than 20 percent.
"While changing flights in the United States en route from the UK to Costa Rica, David Carruthers, chief executive of BETonSPORTS Plc was detained by U.S. federal authorities," the company said in a statement.