US first lady Melania Trump will host Russian and Ukrainian representatives at the White House on November 5, with both sides confirming their participation in a meeting focused on a localized cease-fire in Ukraine's southern Kherson region, as a new round of US-mediated peace talks is set to take place next week. The meeting follows a six-day cease-fire in and around the Russian-occupied city of Oleshky, which Melania Trump said she helped broker to allow humanitarian aid deliveries and the evacuation of vulnerable civilians. According to sources…