STORY: Pictures that are said to have been taken recently in the north-east of the Ukrainian city of Kharkiv. Ukrainian soldiers tore up and trampled on Russian flags there after retaking the area. Ukraine has full control of more than 4,000 square kilometers of territory retaken from Russian forces, according to President Volodymyr Zelenskyy. The country is also in the process of stabilizing its control over another 4,000 square kilometers, says Zelenskyj in his daily video address. An advisor to Zelenskyj also held out the prospect of an offensive in the eastern province of Luhansk. The Ukrainian Interior Ministry published these pictures on Tuesday. It is intended to show Ukrainian forces in combat exercises near the border with Belarus. The aim of the exercises is to train the liberation and clearance of areas from enemy forces together, it is said. US President Joe Biden still expects a long war despite the territory gained from the Ukrainian offensive. Asked whether Ukraine has reached a turning point, he says: “The question is impossible to answer. It is difficult to say. It is clear that Ukrainians have made significant progress. But I think it will be a long time Be away.”