MOSCOW - Russia will take part in a French-hosted "Friends of Libya" conference on Thursday and seek to uphold its interests in the North African nation, President Dmitry Medvedev's Africa envoy said on Wednesday."At the president's instruction, Russia will participate in the conference on Libya," Mikhail Margelov said in comments confirmed by his spokeswoman, Varvara Paal. "Our country was one of the first to be invited to this forum."Margelov will represent Russia at the conference in Paris, where members of a Western-led contact group on Libya and others will discuss support for the political and economic rebuilding of the war-torn state.