Protest leaders in Sudan have met the transitional military council in Khartoum after the country's new ruler pledges to end the curfew, release jailed protesters and "uproot the former regime". Also: President Trump says he wants to meet Kim Jong-un again but the North Korean leader appears more cautious, and doubts emerge about the authenticity of the world's most expensive painting, Salvator Mundi, which has been attributed to Leonardo Da Vinci.