Ukraine bolsters its northern defences amid fears Belarus is being dragged into war

Kyiv is not taking any risks amid Moscow's efforts to integrate Minsk ever more closely into its war

Russian spy drones flying into Ukraine from Belarusian airspace have sharply increased since the beginning of the year, as senior officials in Kyiv express mounting concern over Belarus's involvement in the war.

Ukraine has stepped up by reinforcing fortifications on its northern border, including anti-tank ditches, concrete dragons' teeth" obstacles to block armoured vehicles and new areas of barbed wire. Troops operating along the border say they have noted a jump of about 20% in Russian intelligence drones since January.