Nato chief warns Russia against military attack on Ukraine

NATO has warned Russia that any military attack on Ukraine would come at a high cost. The NATO Secretary General, Jens Stoltenberg, said the alliance would provide support for Ukraine and help it to uphold its right to self-defence. But he said NATO was ready to engage with Moscow and listen to its security concerns.

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(Photo: Ukrainian army reservists took part in exercises in December as tensions with Russia mounted. Credit: EPA)