NATO's chair of the military committee, Admiral Rob Bauer, gives a glimpse into talks surrounding the deadly missile strike in Poland, a critical phone call to Russia that went unanswered, and why NATO needs to have a relationship with Russia to prevent catastrophe.
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Russian forces have invaded Ukraine from land, air and sea with strikes causing widespread damage. Global leaders have condemned the move and imposed sanctions.
Russia has been hit by global sanctions following President Vladimir Putin's decision to invade Ukraine.