The Kremlin said on Monday that it did not rule out the possibility of a meeting between Vladimir Putin and Donald Trump if the Russian and U.S. presidents were both in Beijing at the same time in September.

Russia and Ukraine again exchanged a series of major overnight drone strikes as the two sides maneuvered ahead of a possible resumption of ceasefire talks later this week. Renewed talks -- if they do happen -- would take place as both Kyiv and Moscow near new records for the scale and intensity of cross-border strikes,