Benedict Cumberbatch filming 'something' new for the BBC

Fans have been excitedly speculating about the forthcoming project

Benedict Cumberbatch is working on 'something special' (Getty Images)

Wait for it – Benedict Cumberbatch is involved in a new filming project for the BBC.

You can breathe again because that’s all the information we have, after the enigmatic announcement was made on the BBC One Facebook page.

Two images of Cumberbatch’s face in various film stills accompanied the words: “Benedict Cumberbatch filming something special for BBC One and BBC Two. More details soon...”

The post received over 8,000 likes and speculation was rife that the Sherlock actor is reprising his role in the hit detective drama.

Others suggested it could be something to do with upcoming Children in Need.

Whatever it is, fans are desperate to find out sooner rather than later. One Facebook user said: “That's all?! You can't leave me with this!!!!”

Anther posted: “Ohh BBC, you tease. It doesn't look like Sherlock, cause of the hair. But if it's worth a tease, it must be something good.”

However, the BBC is keeping schtum. Although sources did confirm to the Radio Times that the images do not show scenes from Doctor Who or The Hollow Crown.

An announcement to end thee suspense is expected next week. Watch this space.