Kang Chol, North Korea's ambassador to Malaysia, wipes sweat from his face while addressing journalists outside the North Korean embassy in Kuala Lumpur on February 20, 2017. 
North Korea cannot trust the Malaysian police investigation into the death of its leader's half-brother, Pyongyang's ambassador said after being summoned in the wake of the assassination of Kim Jong-Nam. / AFP / MANAN VATSYAYANA        (Photo credit should read MANAN VATSYAYANA/AFP/Getty Images)