Key developments on July 22: Ukraine hits Russia’s Tuapse oil refinery, source confirmsRussia gathering forces in Kharkiv Oblast for fresh attacks, military saysRussia pushing toward Pokrovsk in Donetsk Oblast despite heavy losses, Syrskyi saysKuleba to visit China on July 23-25 in first visit since February 2022Czech initiative secures funds to provide Ukraine with 500,000 shells so far in 2024Russia has deployed additional assault units near the village of Hlyboke in Kharkiv Oblast to prepare for offensive operations, Nazar Voloshyn, the spokesperson of the Khortytsia group of forces, told I…