Smith's Doctor Who swansong rewritten after injury

Matt Smith's swansong episode as Doctor Who had to be reritten after he injured his leg, according to reports. The injury was written into the script of the Christmas Day show so fans will see the timelord lose a leg after a battle with the weeping angels.

Matt Smith who played the eleventh incarnation of the Doctor Credit: an West/PA Wire/Press Association Images

The Sun reported that fans will see the doctor grow old fighting cybermen and daleks after being drawn back to a planet called Trenzalore by the sound of a bell.

Smith, who is replaced by Peter Capaldi in the Christmas Day episode, said he was excited about his final appearance.