By making harsh, uncompromising demands in peace talks with Ukraine while continuing to pummel it with waves of missiles and drones, Russian President Vladimir Putin is sending a clear message: He will only accept a settlement on his terms and will keep fighting until they’re met.

Ukraine conducted a large drone attack on Russian military aircraft on Sunday, a security official told Reuters, saying 40 Russian warplanes were struck. If confirmed, the strikes would be the most damaging Ukrainian drone attack of the war,