Grace Dent revisits four powerful stories recently featured in The Untold, to find out where life took them next.

Will was a victim of the Westminster Bridge attack, now tasked with putting his life back together and managing serious injuries. Kanan's life was turned upside down when the song he wrote in a Bristol flatshare was picked up by Jay-Z and became an international hit. Other stories revisited are the case of two GPs fighting to save their practice and the mother whose child was separated from her and taken to live abroad, without her consent.