Fresh peace talks aimed at resolving the Syrian conflict have begun in the Kazakh capital, Astana. Newshour's Lyse Doucet is at the summit, brokered by Russia, Iran and Turkey.
Also in the programme, all eyes are on the White House as Donald Trump begins his first full week as President of the United States. And could toasting your bread to a slightly lighter colour really reduce your risk of developing cancer?
(Photo: UN Syria envoy Staffan de Mistura meets with a delegation from Iran prior to peace talks beginning in Astana, Kazakhstan. Credit: Getty Images)