By Harry Howard For Mailonline
Published: 00:22 GMT, 1 December 2019 | Updated: 00:22 GMT, 1 December 2019
Strictly Come Dancing bosses were forced to extend voting time after a technical glitch left viewers furious.
The quarter final of the BBC show saw Karim Zeroual and his dance partner Amy Dowden were awarded the first perfect 40 of the competition in the Musicals themed week.
But after the programme ended at 8.10pm and presenter Claudia Winkleman declared voting open, angry viewers were flooding Twitter with complaints.
Difficult: Strictly Come Dancing bosses were forced to extend voting time after a technical glitch left viewers furious (pictured: Claudia Winkleman and Tess Daly presented the show)
Some couldn't get on to vote while others received messages saying they had already used their vote when they hadn't.
The show announced on its Twitter page and that the voting deadline would be extended until 9pm from the original 8.40pm.
But some furious fans demanded that this week's votes be 'null and void', with one saying: 'The online vote was a shambles... please restore the faith and do the right thing and put them all through'.
Another said: 'How many people have given up their right to vote after the horrendous problems experienced earlier?
After the programme ended at 8.10pm and presenter Claudia Winkleman declared voting open, angry viewers were flooding Twitter with complaints
'This week's voting is bound to be an inaccurate picture from that that would have been had all worked as it should do [sic].
'Unhappy that not all my votes were allowed to be cast'.
A third complained that the voting extension was only announced on social media.
They wrote: 'I've only just