Russian President Dmitry Medvedev may on Wednesday meet with his North Korean counterpart Kim Jong-il, who has been on a visit to Russia since the end of last week. Media say the two presidents\' conversation could focus on the project to build a gas pipeline transporting 10 billion cu m annually from Russia to South Korea via North Korea. The Kremlin earlier said the meeting will be the key event on Jong-il\'s visit agenda, but named no specific date, venue or topic for the talks.Kim Jong-il, who is traveling in his own armored train, arrived in Ulan-Ude, the capital of the east Siberian republic of Buryatia, on Tuesday.