North Korean leader Kim Jong Un and Russian President Vladimir Putin held a phone call to discuss their deepening ties and war efforts against Ukraine, the countries’ state media said Wednesday, ahead of Putin’s planned meeting with U.

President Vladimir Putin held a phone call with North Korean leader Kim Jong Un and updated him on planned talks the Russian leader will hold with U.S. President Donald Trumpin Alaska this week, the Kremlin said on Tuesday.

She holds no known official title in North Korea. The outside world has never heard her voice. The North’s state media has not even named her, referring to her only as the “most beloved,” “respected” or “dear” daughter of its leader.