Russian frontline advances slow in May 2026; Ukraine targets Crimea supply routes (osw.waw.pl)

• Russian territorial gains in May lowest in three years; estimates vary widely.
• Ukrainian attacks on Crimea logistics route 'Novorossiya' disrupt fuel supply.
• Drone strike on Unit 6 machine room of Zaporizhzhia nuclear plant; IAEA confirms.
• Massive Russian air strike on June 2, 2026 causes casualties and power outages.
• Sweden delivers 16 JAS-39 C/D Gripen; Ukraine purchases 20 JAS-39 E/F.

"Russian territorial gains in Ukraine fell to a three-year low in May, with estimates varying from 14 km² (DeepState) to over 250 km² (ISW). Ukraine intensified attacks on the 'Novorossiya' land route to Crimea, disrupting fuel traffic. A drone struck the machine room of Unit 6 at the Zaporizhzhia nuclear plant. A massive Russian air strike on June 2, 2026 hit Kyiv, Dnipro, and other cities, killing and wounding dozens and damaging infrastructure. Ukraine continued strikes on Russian oil facilities, including the Volgograd refinery."