torn Syria. Meanwhile, Chinese Foreign Ministry spokesman Hong Lei told a daily news briefing: "China has noted the relevant reports and is paying close attention to developments." "At present, the regional situation is extremely complicated and sensitive. We hope that the parties concerned will exercise calm and restraint and adhere to diplomatic channels to reach an appropriate solution, so it does not escalate further." Turkish Foreign Ministry Ahmet Davutoglu said the jet had been clearly marked as Turkish and dismissed Syria's assertion it had not identified the aircraft before opening fire.