On Sunday, Ukraine said its troops had made advances on three villages in Donetsk: Blahodatne, Neskuchne and Makarivka.
Some prominent Russian military bloggers indicated that while Ukrainian forces took Blahodatne and Neskuchne, fighting for Makarivka was going on.
While staying largely silent over the past week about its counteroffensive, Ukraine's military has reported daily battlefield successes.
Ukrainian Defence Minister Oleksii Reznikov said that Kyiv wanted to discuss details of the "aircraft coalition" with its allies at the next meeting of the Ukraine Defence Contact Group on June 15 in Brussels.
"At this stage, we are talking about training of pilots ... and our technicians and engineers," Ukraine's Military Media Centre quoted Reznikov as saying.
Persons:
Hanna Maliar, Makarivka, Vladimir Putin, Oleksii Reznikov, Reznikov, Pavel Polityuk, Anna Pruchnicka, Lidia Kelly, Robert Birsel, Simon Cameron, Moore
Organizations:
Brigade, Marines, Reuters, Ukrainian, Ukrainian Defence, Kyiv, Ukraine Defence Contact Group, U.S, Military Media, Thomson
Locations:
Bakhmut, Avdiivka, Donetsk, Bilohorivka, Luhansk, Storozheve, Ukraine, Blahodatne, Donetsk Region, Russian, Brussels, Zelenskiy, Kyiv, Gdansk, Melbourne