Sergey Efremov, the deputy governor of Russia’s eastern region of Primorsky Krai, was killed after he returned to the Russian frontline from a battle with Ukrainian forces in the Kursk region. He was reportedly travelling in a car blown up by a landmine along with another Russian army officer.

Ukraine and Russia traded blame for a deadly missile strike on Saturday that killed at least four people in the dormitory of a boarding school situated in a part of Russia's Kursk region held by Kyiv forces.

Competing claims have emerged over a deadly attack on a boarding school in Sudzha, a city in Russia’s Kursk region that has been under Ukrainian control for five months

The Ukrainian army said four people were killed and dozens - many of them elderly - were injured in the town of Sudzha in the Kursk region, which has been under Ukrainian control for five months. More than 80 people are reported to have been rescued from the building.

Ukraine's military said on Saturday that Russian forces had struck a dormitory housing people preparing for evacuation in a part of Russia's Kursk region held by Ukrainian forces. The military's general staff issued a statement saying that a Russian guided or glide bomb had hit the dormitory in the town of Sudzha,