Ukraine has received cluster bombs from the United States, munitions banned in more than 100 countries, but has pledged to only use them to dislodge concentrations of enemy soldiers.
Valeryi Shershen, a spokesman for the Tavria, or southern, military district on Thursday confirmed an announcement by his commander that the weapons had arrived a week after the United States said it would send them as part of an $800-million security package.
The Pentagon also announced their arrival.
Moscow has denounced their shipment. Defence Minister Sergei Shoigu warned on Thursday that Russia could resort to deploying similar weaponry if faced with their use.
Ukrainian officials say their deployment is justified in view of Russia’s mining of vast tracts of land it has seized.