'It was a joy to know her': Doctor Who writer Russell T Davies leads the tributes to Sarah Jane star Elisabeth Sladen

By Georgina LittlejohnCult TV star: Actress Elisabeth Sladen died on Tuesday morning following a battle with cancerTributes have been pouring in for Doctor Who actress Elisabeth Sladen who died yesterday following a battle with cancer aged 63.Leading them was former Doctor Who writer Russell T Davies, who brought her back to Doctor Who, and said it was 'an honour to have worked with her'.Speaking