By Tom Balmforth, Max Hunder and Jonathan Landay KYIV/FRONTLINE NORTH OF KHERSON, Ukraine (Reuters) -Ukrainian troops have reclaimed dozens of landmine-littered settlements abandoned by Russian forces in southern Ukraine, officials said, the day after Moscow announced its withdrawal from the strategic capital city of Kherson province. There were indications on Thursday night that Ukrainian forces were getting closer to the city of Kherson, a port at the mouth of the Dnipro River, said a Ukrainian military analyst and a media commentator. It would take a minimum of one week for Russia to pull o…