Russia has begun its “big revenge” for Ukraine’s resistance to its invasion, Ukrainian President Volodymyr Zelenskyy has said, as Russian forces claimed a series of incremental gains in his country’s east. Iran raidWhile Kyiv has secured weapons from the West, Moscow has turned to allies, including Iran, which Kyiv and the West say has provided Russia with hundreds of long-range so-called “suicide drones” used to attack Ukrainian cities. Ukraine, which has received large supplies of uncrewed aerial vehicles (UAVs) from its partners, said it planned to spend nearly $550m on drones this year, with 16 supply deals signed with Ukrainian manufacturers