he wrote that more U.K. citizens are joining Islamic State forces than are signing up for the country's own armed forces.
"Here is the deal. There has to be a law clearly defining that on this 21st Century battlefield, if you depart your country of citizenship and travel to ally with Islamic terrorist organizations, you have in turn renounced your citizenship and become an unlawful enemy combatant," Mr. West wrote. "If engaged on the battlefield, you will be treated as the enemy. If captured on the battlefield, you will have lost your rights and will be treated as the enemy."