KYIV, Ukraine: Russia launched its biggest attack of the war overnight against natural gas facilities run by Ukraine’s state-owned Naftogaz Group, officials said Friday. Russia fired a total of 381 drones and 35 missiles at Ukraine, according to Ukraine’s air force in what officials said was an attempt to wreck the Ukrainian power grid ahead of winter and wear down public appetite for the 3-year-old conflict.

Some 35 missiles were said to have struck crucial gas facilities in Kharkiv and Poltava on Friday

Russia unleashed a massive overnight barrage of drones and missiles on several Ukrainian regions, striking mainly at energy infrastructure, Ukraine’s...