Ukraine says Russian troops are trying to cut access to Sievierodonetsk

Ukraine says Russia pushing hard to take Sievierodonetsk; UK says Russian air activity high over Donbas region; UN attempts to broker deal for Ukraine grain exports

Kyiv said on Saturday Moscow had reinforced its troops around Sievierodonetsk and attempted to cut off Ukraine's access to the industrial city, the focus of a Russian offensive to take the eastern Donbas region.
 

Serhiy Gaidai, governor of Luhansk province, said Russian forces were blowing up bridges across the Siverskyi Donets river to prevent Ukraine bringing in military reinforcements and delivering aid to civilians in Sievierodonetsk.
 

"The Russian army, as we understand, is throwing all its efforts, all its reserves in that (Sievierodonetsk) direction," Gaidai said in a live TV broadcast on Saturday.
"Russians are blowing up bridges, so we