U.S. Ambassador in Ukraine Geoffrey Pyatt states in his official Twitter that Russia is deeply involved in the military activity of pro-Russian terrorists in Eastern Ukraine and supports the violation of the Minsk agreements (February 12, 2015).
As Geoffrey Pyatt says, Russian Federation has command and control elements to coordinate military operations in Donbas:
1/4 Russia has command and control elements in eastern Ukraine to coordinate military operations there.
— Geoffrey Pyatt (@GeoffPyatt) April 14, 2015
Besides, Russia continues to provide support to the terrorists in Eastern Ukraine, provides military leadership and trainings in gunnery and artillery firing:
2/4 Russia continues to provide support to the separatists. — Geoffrey Pyatt (@GeoffPyatt) April 14, 2015
3/4 We know Russia established training areas in eastern Ukraine to train separatist fighters in gunnery and artillery firing. — Geoffrey Pyatt (@GeoffPyatt) April 14, 2015
U.S. Ambassador in Ukraine Geoffrey Pyatt also admitted that Russian Federation continues to maintain its advanced surface-to-air missile systems near the front lines in violation of the Minsk agreements:
4/4 Russia continues to maintain advanced surface-to-air missile systems near the front lines in violation of the Minsk agreements.
— Geoffrey Pyatt (@GeoffPyatt) April 14, 2015