By Steve Holland and Ryan Patrick Jones WASHINGTON, Oct 23 (Reuters) - US first lady Melania Trump has secured a ceasefire between Russia and Ukraine in the Russian-controlled city of Oleshky, which will begin on October 29,

Across the skies of Ukraine and Russia, an arms race is unfolding in real time. Earlier this summer it seemed Ukraine had the edge when it delivered drone strikes deep inside Russian territory. But in recent months,