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Masood (Nitin Ganatra) does everything he can to help ex-wife Zainab (Nina Wadia) in the coming days, and events come to a head when he finds that she has been drugged by Yusef.
The ensuing confrontation sees Masood left alarmed when Yusef (Ace Bhatti) manages to escape, but the twisted doctor doesn't go very far as he heads to the B&B to seek his revenge.
Masood is soon left unconscious following a fight with Yusef, who then starts a fire in a dramatic attempt to kill his arch-rival. When the rest of the family realise what has happened, they rush over to save Masood and extinguish the blaze.
Meanwhile, Phil Mitchell (Steve McFadden) also visits the B&B, desperate to retrieve a package containing incriminating evidence which could bring him down.
However, with water dripping all over the house, it soon spreads onto the exposed electrics and sparks start to fly. With fireworks stored inside, it's not long before the B&B explodes with Phil, Denise, Yusef, Tamwar and Masood all trapped inside…
EastEnders airs these scenes on Christmas Day and Boxing Day on BBC One. Browse through the gallery below for a full collection of pictures from the episodes.
> EastEnders star Nitin Ganatra chats to Digital Spy about the Christmas plot
> Read more EastEnders spoilers and news
