<sod >Russian dissident journalistÂ ArkadyÂ Babchenko, who was reportedÂ killed in Kiev, has shownÂ up alive at a news conference in Ukraine.< eod>< sod > Russian dissident journalistÂ ArkadyÂ Babchenko, who was reportedÂ killed in Ukraine, has shownÂ up alive at a news conference about his own death in Kiev.< eod>