Ukraine will send a delegation to Istanbul for a new round of direct peace talks with Russia on Monday, President Volodymyr Zelenskyy said, even as Russia pounded Ukraine with a missile strike that killed 12 soldiers and the biggest drone assault of the three-year war.

Amidst escalating conflict, Ukraine and Russia are set to engage in peace talks in Istanbul, following a major prisoner exchange. However, the lead-up to negotiations has been marked by intensified warfare,

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.