US Treasury Secretary: Relations with China are 'moving towards a surer footing'

During her visit, Ms Yellen criticised Chinese economic practices, while also trying to reassure that bilateral ties between the two would continue.

In Sudan, an army air strike in Omdurman - just across the Nile from the city of Khartoum - reportedly claimed at least 22 lives.
Our contributors today are Chandrika Kaul, professor of modern history at the University of St Andrews, in Scotland and Daniel Glaser, a neuroscientist and director of science engagement at the Royal Institution.