Syria toxic gas inquiry to end after Russia again blocks U.N. renewal 11/18/2017 9:09:57 AM   facebook Google+ ► Print Russian Ambassador to the United Nations Vasily Nebenzya votes against a bid to renew an international inquiry into chemical weapons attacks in Syria UNITED NATIONS (Reuters) NOV. 17, 2017 -- An international investigation into who is to blame for chemical weapons attacks in Syria will end on Friday after Russia blocked for the third time in a month attempts at the  United Nations to renew the inquiry, which Moscow has slammed as flawed. In the past two years, the joint U.N. and the Organization for the Prohibition of Chemical Weapons (OPCW) inquiry has found the Syrian government used the nerve agent sarin in an April 4 attack and has also several times used chlorine as a weapon. It blamed Islamic State militants for using mustard gas. Russia vetoed on Friday a Japanese-drafted U.N. Security Council resolution to exte...