冬奧會開幕前美飛俄航班禁液體登機

U.S. transportation security officials are banning American travelers from carrying any liquids, gels or sprays on flights to Russia because of a possible terror threat.

Various reports say authorities gave the order Thursday, one day before the Winter Olympics officially open in Sochi. They say they will respond to protect Americans against what they call an "ever evolving threat picture."

Russia banned liquids from carry-on luggage on flights last month.

U.S. homeland security officials have warned airlines flying to Russia to watch out for toothpaste tubes that may be filled with explosives. They gave no details on the intelligence that led to the warnings.

Islamic extremists have threatened to disrupt the Olympics.美國運輸安全官員禁止前往俄羅斯的美國旅客攜帶任何液體、膠狀物或噴霧劑登機，原因是防止可能的恐怖威脅。

所個報道表示，當局週四發出這一命令，一天後索契冬季奧運會將正式開幕。當局說，將針對當局所說的“持續發展的威脅局勢”採取因應措施來保護美國人。

上個月，俄羅斯開始禁止裝有液體的隨身攜帶行李登上班機。

美國國土安全部官員警告飛往俄羅斯的航空公司嚴防可能裝滿炸藥的牙膏管。他們沒有提供導致這一警告的情報細節。

伊斯蘭極端分子威脅要破壞這屆奧運會。