BRUSSELS, March 11 – NATO Secretary General Jens Stoltenberg said on Wednesday that Russia was still arming and training rebel forces in eastern Ukraine and he called for the warring parties to help foreign monitors reinforce a ceasefire, Reuters reported.

Asked at a news conference about a U.S. diplomat's remark that Russian tanks had crossed into Ukraine in recent days, he declined specific comment but said: "We ... still see Russian presence and strong support for the separatists in eastern Ukraine. We see the delivery of equipment, forces, training. And so Russia is still in eastern Ukraine.