Mark Lawson reflects on the life and work of the Nobel Prize-winning poet Seamus Heaney, whose death was announced today.

Writers including Edna O'Brien, Colm Toibin, Michael Longley and Hermione Lee consider Seamus Heaney's long writing career, and there's another chance to hear part of a special Front Row interview, recorded before an audience on the occasion of his 70th birthday.

Producer Stephen Hughes.