The White House says indirect talks about the extension of a ceasefire between the US and Iran were productive and ongoing - hours after Pakistani mediators arrived in Tehran. Meanwhile, hundreds of ships remain stranded due to blockades in the Strait of Hormuz. We hear from a major shipping company.

Also on the programme: a Sudanese author reflects on 3 years of conflict; and we take a tour of a new exhibition celebrating 125 years of Black British music. (Photo: A handout photo made available by the Iranian Foreign Ministry Office shows Iranian Foreign Minister Abbas Araghchi (R) and Pakistan's army chief Asim Munir during a meeting in Tehran, Iran. Credit:HANDOUT/EPA/Shutterstock)