Holby Spoilers 8th September

Airs Tuesday, Sep 8 2015 at 20:00 BST on BBC One

Fletch finds the grieving husband of a former neurological patient in the hospital grounds. He takes him to Guy, hoping to get the man some closure. However, when the man reveals a live grenade, it's clear that he actually blames Guy for his wife's death and wants to exact revenge. Fast-thinker Fletch manages to buy some time so that he can evacuate the hospital, but a petrified Guy is handcuffed and held hostage while forced to hold the live explosive. If he releases his grip, it will explode.

When all of the patients and staff are at a safe distance, a heroic Fletch goes back inside in the hope of talking the bomber down. Fletch can see that he isn't really a bad man - he's just blinded by grief. Unfortunately, the grieving husband thinks he has gone too far to turn back now and sounds as if he might detonate the grenade.

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Guy and Fletch face a terrifying situation

Meanwhile, Ollie fears for Zosia's safety and orders her to join the evacuation, but she refuses to leave her patient. When Zosia discovers that it's her father who is being held hostage, she makes a rash decision and runs into the danger zone.

Ollie rushes after Zosia and when the explosion cuts through AAU, he is on hand to protect her from the blast. Pressed together and covered in rubble on the floor, they share their first kiss.

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Zosia and Oliver kiss

Elsewhere, Dom is convinced that Hanssen hates him. This is compounded when Hanssen saddles him with a very tricky patient, who seems impossible to please.

Dom's worst fears are realised when he discovers that his patient is already embroiled in litigation proceedings with his last doctor. Dom assumes this is all part of Hanssen's evil plan to get rid of him once and for all. He panics further when the man disappears during the evacuation - he doesn't like his chances if Hanssen finds out he has misplaced his charge on such a dangerous occasion.

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Hanssen's attitude concerns Dominic