Russian forces launched a missile and drone attack across Ukraine, killing civilians and hitting energy targets as negotiators pressed ahead with talks to end the nearly four-year war.

Russian missile and drone attacks killed at least three Ukrainians including a child on Tuesday, triggering widespread emergency power cuts and prompting neighbouring Poland to scramble jets.

Russian oil major Lukoil (LKOH.MM) runs the Stavrolen petrochemical complex at Budyonnovsk in Stavropol and the region also hosts gas pipeline infrastructure and fuel storage sites that make it part o...