john berney senior nuclear specialist at greenpeace thank you so much for joining us to share your view on this move from the japanese government that has been announced we appreciate it. world leaders have condemned russia's most recent military activity in and around ukraine the g. 7 group of advanced nations says that it's deeply concerned by what it calls russian provocations ukraine accuses moscow of sending thousands of troops to its eastern border in the crimean peninsula. kiev and moscow have traded blame over the worsening situation in the donbass region ukrainian troops have fought pro russian separatists since 2014 clashes in the region have become more frequent and there are fears that the result conflicts between the 2 sides could flare up again. a russian military camps set up suddenly close to russia's border with ukraine witnesses have reported seeing rows of tanks in the area and artillery being moved by train and leaders in europe and the u.s. are trying to find out why. russia is not denying the troop movements but says it's not threatening anyone. or spot over there