Ukrainian troops are facing a very difficult situation in three heavily contested towns in Donetsk - Bakhmut, Vuhledar and Lyman - Mr Zelensky said. Mr Reznikov also said Ukraine had negotiated the supply of new long-range missiles with a 90-mile (150km) range and pledged not to to use them against Russian territory - only against Russian units in occupied areas of Ukraine. The battles on the front line come as more missiles hit parts of eastern Ukraine