Doctor Who fans will be looking forward to this year's Christmas special, not least because actor David Tennant is about to leave and viewers are keen to find out who will replace him.
The story is called 'The Next Doctor' but neither writer Russell T Davies, nor actress Dervla Kirwan, would confirm whether or not the new Doctor is actually revealed in the show.
Lizo Mzimba reports.
Video clips from Doctor Who, 6pm, BBC One, Christmas Day.
One-Minute World News 
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