Alexei Navalny's mother is shown body

Mrs Navalnaya finally saw his remains on Wednesday after investigators secretly took her to a morgue outside the remote prison in Russia where he collapsed and died. Also: Firefighters in the Spanish city of Valencia have been trying to rescue people from a 14-storey building that's gone up in flames, and scientists finally work out the mystery surrounding why some of the largest whales in the ocean produce their haunting and complex songs.