Ukraine war latest: Zelensky says situation in Kharkiv 'difficult' but 'under control,' Russia suffering 'significant losses'
Key updates on May 16: * Zelensky in Kharkiv: Situation 'difficult' but 'under control,' Russia suffers losses * Denmark announces more than $815 million in new military assistance for Ukraine * Minister: Russia captures, shoots civilians in northern Vovchansk * Source: Ukrainian drones attack Russian defense manufacturer's facilities in Tula * Partisans: Ammunition depot