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One of Sherlock's creators and actors, Mark Gatiss, said he could 'absolutely never' replace the hit Â鶹Éç drama's stars, Benedict Cumberbatch and Martin Freeman.

5 live's Nihal Arthanayake and Sarah Brett asked him a series of quick-fire questions in a one off quiz named 'Holmes Under The Hammer'.

Gatiss, who was joined by his husband, actor and screenwriter, Ian Hallard, also confirmed that Moriarty is definitely dead.

When asked if the next series was the last series of Sherlock, he said he had 'no idea'.

This clip is from Afternoon Edition on Thursday 13 October 2016