The World Tonight

The burial of Iran's second supreme leader took place at the country's holiest site; the Shrine of Imam Reza in Mashad. Iran and the US have continued to trade strikes as fears grow of a return to full-scale conflict. We hear from the BBC's chief international correspondent, Lyse Doucet. Also on the programme; outrage from victims' groups over government plans to allow people convicted of serious crimes to leave prison early; and why women are more likely to suffer during summer heatwaves.