 Complete the following phrase:  In August 2017, Del Ponte resigned from the commission, due to frustration at the lack of support from the international community: We could not obtain from the international community and the Security Council a resolution putting in place a tribunal, an ad hoc tribunal for all the crimes that are committed in Syria... Seven years of crime in Syria and total impunity. That is not acceptable. She blamed Russia for vetoing action: Now a prosecutor should continue our work and bring the war criminals before a special court. But that is exactly what Russia is blocking with its veto in the U.N. Security Council. She said that the commission has gathered enough evidence for president al-Assad to be convicted of war crimes. Del Ponte told Syrias ambassador that she had been right to quickly reach the conclusion that Assads government used chemical weapons during an 