He was one of the most prominent proponents of the Russian occupation and became known for aggressive statements on social media.Kherson's Russian-appointed governor Vladimir Saldo said his deputy had been killed, but Ukrainian officials have expressed scepticism about the reports, which cannot be independently verified.Hours after the reports of Mr Stremousov's death, Russian Defence Ministry Sergey Shoygu ordered the withdrawal of Russian troops from the western bank of the Dnipro river.Kherson, the only Ukrainian regional centre captured by Russian troops after the February invasion, lies on the western bank.Meanwhile, images seen by Reuters news agency showed a key bridge over the Inhulets river at Darivka, east of Kherson, had collapsed into the water."