Politics Seoul sees no suspicious activity in North Korea amid Kim Jong Un's health concerns Updated : April 21, 2020 12:01 PM IST Kim Jong Un, who is in his mid-30s, missed the celebration of his late grandfather and state founder Kim Il Sung on April 15, the country’s most important holiday. Kim, believed to be 36, took power upon his father’s death in December 2011 and is the third generation of his family to rule the nuclear-armed country. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.