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.

At least four people have died overnight as Russian drone and missile strikes continued to pound Ukraine’s towns and cities and Moscow’s troops continue their grinding advance through the country’s ea