[1/5] Ukrainian servicemen are seen near the frontline, amid Russia's attack on Ukraine, near Soledar in Donetsk region, Ukraine January 23, 2023.
The corruption scandal could dampen Western enthusiasm for his government just as European countries bicker over sending German-made Leopard 2 tanks to Ukraine.
One of the most widely used Western tanks, Ukraine says it needs them to break through Russian lines and recapture territory this year.
Germany is not blocking the re-export of Leopard tanks to Ukraine, the European Union's top diplomat said on Monday.
Ukraine says Western tanks would give its ground troops the mobility, protection and firepower to break through Russian defensive lines and resume their advance.