The largest known Russian drone attack since full-scale war began in 2022 killed a woman in the Kyiv region and injured at least three people, Ukrainian authorities said early on Sunday, as Moscow stepped up strikes following peace talks on Friday.

Russia and Ukraine’s first direct talks in three years began Friday with hopes as dim as the gray Istanbul skies.

The first direct Russia-Ukraine peace talks since the early weeks of Moscow’s 2022 invasion ended after less than two hours.