Oil prices strengthened on Monday as an attack on an oil pipeline pumping station in the Caspian Sea slowed flows from Kazakhstan, while investors monitored developments of a possible Moscow-Kiev ceasefire agreement that could ease sanctions and increase global supplies.

A surge of drone activity has reportedly caused damage to energy infrastructure across western Russia. Regions such as Nizhny Novgorod, Smolensk, Tver, and Bryansk reported attacks on oil refineries and civilian sites.

A Russian drone struck the containment shell protecting the radioactive reactor at the Chernobyl nuclear power plant, causing significant damage, Ukraine claimed Friday morning.

On the evening of February 20, a Russian drone attacked the private sector of the city of Sumy, causing damage. — Ukrinform.

Ukrainian drones struck "important" Russian assets in an overnight attack, according to an official from Ukraine's SBU security service. Newsweek reached out to Ukraine's Foreign Affairs Ministry and the Russian government for comment on Monday.

Ukraine's air defense systems successfully intercepted 106 drones across multiple oblasts, including Kharkiv, Poltava, Sumy, Chernihiv, Cherkasy, Kyiv, Kirovohrad, Khmelnytskyi, Zhytomyr, Dnipropetrovsk,