Russian assaults in northeastern Ukraine prompt evacuation of nearly 1,800 from Kharkiv region, with heavy fighting ongoing near the border since Friday’s surprise incursions. Despite Kyiv’s anticipation of a summer offensive, including potential capture of Kharkiv, Ukraine asserts its readiness to resist. Uncertainty lingers over the extent of Russian advancement. Ukrainian artillery retaliates while Russian air force poses a significant threat. Reports indicate Moscow aims to establish a buffer zone along its Belgorod region, reacting to Ukrainian cross-border attacks. President Zelensky confirms ongoing defensive operations in Kharkiv and tense situation in Donetsk. US pledges $400m military aid, emphasizing urgency and including various weaponry. Amidst political deadlock, this marks the third aid instalment totaling $7bn. US anticipates further Russian advances to establish buffer zones. The resurgence of heavy fighting underscores Russia’s expanding ambitions.