Chairperson of the Commission of Inquiry on Syria Paulo Pinheiro holds a news conference on a report at the United Nations in Geneva March 5, 2014. Chemical weapons used in two incidents in Syria last year appear to come from the stockpiles of the Syrian military, United Nations human rights investigators said on Wednesday in the report that went beyond previous findings. REUTERS/Denis Balibouse (SWITZERLAND - Tags: CIVIL UNREST POLITICS TPX IMAGES OF THE DAY CONFLICT)