Secretary Rubio expressed “disappointment and frustration” with the lack of progress in Ukraine peace talks after meeting with his Russian counterpart, Lavrov.

A Russian drone barrage targeted the center of Kharkiv on Friday, injuring nine people and damaging a maternity hospital in Ukraine's second-largest city, officials said.

Ukraine behind new pipeline explosion in Siberia that supplies Russian military-industrial complex, source claims * Russian troops tasked to create 10-kilometer buffer zone in Dnipropetrovsk Oblast, Ukraine's spy chief says * Ukrainian drone strikes reported at Russian MiG plant,

Kyiv was the main target of an hourslong assault that killed at least two people, officials said. The barrage came hours before the top American and Russian diplomats met.

Hundreds of Russian drones and more than a dozen missiles rained down on the Ukrainian capital early on Thursday, killing two people in a second massive air strike on Ukraine in two days as Kyiv seeks critical aid from its partners at a meeting in Rome.

Russia launched its largest drone and missile bombardment of Ukraine overnight into Wednesday, according to Ukrainian President Volodymyr Zelenskyy.

Ukraine said it struck a Russian air base on Saturday, while Russia continued to attack Ukraine with hundreds of drones overnight as part of a stepped-up bombing campaign that has dashed hopes for a breakthrough in efforts to end the more than 3-year-old war.