The State of Qatar has expressed its condemnation to the air raid by United States' helicopters on Syria's territories, and considered the act as contravening the principles of international law and conventions.This came in a statement by an official source at the Ministry of Foreign Affairs to Qatar News Agency.The official offered his condolences to the families of the victims and the injured.The official further reiterated the need to respect the sovereignty and territorial integrity of the Arab Republic of Syria.