Benedict Cumberbatch and Martin Freeman to return in January 2017
It happened while she was on stage to collect the band's award for Best Television Film
Director Benjamin Caron confirmed filming was complete on Instagram
Series 4 of BBC show is expected in 2017
It appears to tease the return of one of Sherlock's former enemies
Benedict Cumberbatch and Martin Freeman started shooting the new series today (May 16)
Fourth outing for Benedict Cumberbatch expected to arrive in January 2017
Rachel Talalay is the first female director to feature on the show