Live coverage from the Crucible as the final session of the 2017 World Snooker Championships takes place.The final match is the best of 35 frames, and will keep going until one man reaches the magical 18 frame marker. This year's tournament has already seen the world record for the longest frame being broken. Fergal O'Brien beat David Gilbert in a two hour and 3 minute long frame during the qualifying rounds. Have the coffee on stand-by if you intend on staying up to watch the whole thing.