JK Rowling and Rupert Grint pay tribute to Harry Potter star Sir Michael Gambon

Sir Michael Gambon has died aged 82 (Ian West/PA)

JK Rowling, Rupert Grint and Emma Watson are among those who have hailed Harry Potter star Sir Michael Gambon as a “wonderful man” and an “outstanding actor”.

The Dublin-born star of stage and screen died peacefully in hospital late on Wednesday aged 82, his family said.