The United Nations estimated in February that more than 70,000 people had died since the conflict began . NEW : Team looking into chemical weapons use in Syria asked to report to U.N. NEW : A Russian journalist criticized the U.N. leader for taking a ` ` " approach '' Syria accuses the U.S. and Russia of lying , says it does n't even have chemical weapons . Obama says if it 's proven Syria used such weapons , it would be a ` ` game . ''
NEW : Team looking into chemical weapons use in Syria asked to report to U.N. NEW : A Russian journalist criticized the U.N. leader for taking a ` ` " approach '' Syria accuses the U.S. and Russia of lying , says it does n't even have chemical weapons . Obama says if it 's proven Syria used such weapons , it would be a ` ` game . ''