But first in Ukraine, the shooting down of a government helicopter has highlighted fears that the crisis in the country is escalating. Kiev believes separatists in the east use Russian weaponry to bring down the copter near Sloviansk, killing 14 soldiers and a high ranking general. Now the White House has expressed its concerns that pro-Russian rebels are still getting advanced weapons from outside the country. 

 

译文：  首先，乌克兰一架政府直升机被击落，再次加深了人们对国内危机日趋白热化的恐惧。基辅方面认为：东部的分裂主义分子是利用了俄罗斯的军备击毁了位于斯拉维扬斯克附近的这架直升飞机，致使14名士兵死亡，其中还包括一名高级军衔的将军。目前，白宫已经表明了他们对亲俄派叛乱分子从国外进口高级军备的担忧。