Russia-Ukraine war at a glance: what we know on day 691

Ukraine pushed ahead with its peace formula to end nearly two years of war with Russia with a meeting of national security advisers from around the world in Davos on Sunday. Andriy Yermak, the Ukrainian president's chief of staff, posted photos of the meeting's opening and hailed a "good sign" that the number of participants in a string of conferences on Zelenskiy's peace formula was growing; nearly half from Europe, as well as 18 from Asia and 12 from Africa. "Countries from the global south are increasingly getting involved in our work. It shows understanding that this European conflict is…