[The U.S. Embassy in Qatar issued a security alert saying that there is a possibility of an escalation of the situation] September 2nd, the U.S. Embassy in Qatar issued a security alert on the evening of September 1, local time, saying that due to the tense situation in the Middle East, the current security environment is still complex and there is a possibility of unforeseen escalation of the situation. The embassy reminds U.S. citizens currently in the Middle East to be on high alert and pay attention to possible flight cancellations, airspace closures, and travel disruptions. The alert advises U.S. citizens planning to travel to and from the Middle East to pay close attention to airport and airline operational information. (CCTV News)