South Sudan opposition leader arrives in Khartoum for peace talks

South Sudanese opposition leader Riek Machar sits at the reception hall of Khartoum airport in Khartoum, Sudan, on June 24, 2018. South Sudanese opposition leader Riek Machar on Sunday arrived in Khartoum to take part in a new round of talks with South Sudanese President Salva Kiir on Monday. (Xinhua/Mohamed Khidir)