(Reuters) -Russian-installed authorities in the occupied Ukrainian region of Kherson said on Wednesday that they plan to evacuate around 50,000-60,000 people over the next six days amid escalating pressure from a Ukrainian counteroffensive. Russian-installed governor Vladimir Saldo said authorities were moving civilians to the left (east) bank of the Dnipro River in order to “keep people safe” and allow the military to “act resolutely”. “I drove through the regional centre this morning. On the exterior, there was nothing to suggest there was a lot of pressure,” Saldo said. “But when I arrived …