THIS Morning was momentarily pulled off air today as a loud alarm rang through the set.
Presenters Alison Hammond and Dermot O'Leary looked completely thrown when the fire alarm blared around the building.
They were interviewing Spice Girl Mel B and she jumped off the sofa and tried to bolt for the door.
Dermot and Alison tried to ignore the alarm but Mel B said: "That's the end of that."
The show went to an advert break with viewers left wondering what was going on.
One confused fan wrote on Twitter: "Did that just happen, for real, the fire alarm."
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Another said: "Lmao the fire alarm and everyone ignoring it."
While someone else tweeted: "Some poor cameraman setting off the fire alarm..."
Alison and Dermot later reassured viewers everyone was OK.
The show came back on air and Alison said: "I love when it goes wrong on live TV."
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Mel B replied: "But imagine if there was a fire and we didn’t even move?"
The fire alarm later blared again through the London studio and Alison groaned: "Here we go again."
This Morning has suffered numerous fire alarm blunders - but none worse than when John Torode actually set fire to a towel during a cooking demonstration.
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John hadn't noticed the tea towel was left on the hob behind him and was on fire.
Phil frantically tried to warn John - but the video delay meant his cries went unheard as the flames got bigger.