The Global Media Conference was opened Monday in the Bulgarian capital Sofia, with the participation of the Syrian Arab News Agency (SANA) and number of Arab and international agencies. Bulgarian President Rossen Plevneliev, who met with the participants in the conference, expressed his support for the US-Russian agreement on Syria, SANA reported. \"It was the first time an agreement was reached at the international level on the crisis in Syria, which provides for the cessation of suffering there,\" he said.