Russian President Vladimir Putin is stalling at the peace table while preparing a new military offensive in Ukraine, two senior U.S. senators warned Sunday, arguing that the next two weeks could shape...

The attack came the same day as Zelenskyy said Ukraine will send a delegation to Istanbul for a new round of direct peace talks with Russia on Monday.

Ukrainian and Russian delegations met again in Istanbul, Turkey, on Monday to take part in the next round of U.S.-brokered peace talks intended to end Russia's 3-year-old invasion of its neighbor. The talks come just one day after Ukraine launched an audacious drone attack on Russia's strategic bomber fleet.

Russia on Sunday launched the biggest number of drones — 472 — on Ukraine since the full-scale invasion in February 2022, Ukraine's air force said.