Oil tanker was seized Sunday on its way to Yemeni port of Aden . 11 pirates were arrested by Yemeni security forces in an operation to free the oil tanker . Three Yemeni marines were wounded , two pirates killed in the operation . Score: 6 Somalia has not had a stable government in place since 1991 .
Oil tanker was seized Sunday on its way to Yemeni port of Aden . Three Yemeni marines were wounded , two pirates killed in the operation . Score: 6 Somalia has not had a stable government in place since 1991 .