MIGHT BE SPOILER, but we’ll know for sure in an hour ,,,

Could be a spoiler? Or you might be on to a windfall if you placed a bet at the bookies ....

The official announcement is still an hour away, but strange betting placements and Radio Times articles are suddenly pointing the finger at Pearl Mackie as The Doctor’s new sidekick. She is currently performing in National Theatre’s production of The Curious Incident of The Dog In The Night Time and has appeared in BBC1's daytime soap Doctors.