Little Mix were "broken hearted" to cancel their gig last minute after a truck accident on Thursday.
Jesy Nelson, Perrie Edwards, Jade Thirlwall and Leigh-Anne Pinnock were due to continue their dazzling LM5 tour with a stop in Vienna.
The four-piece band said one of the production trucks was in an accident earlier on Thursday.
It was revealed no one was hurt in the catastrophe.
But the girls were left without their staging and lights ahead of their concert in Vienna.
Little Mix promised their fans all of their tickets would be refunded for the show.
They released the statement on their Instagram page with their 12million followers.
The pop divas wrote: "Vienna, we are so sad to say that tonight's show has had to be cancelled.
"Unfortunately one of our production trucks was in an accident earlier today which means we haven't been able to set up our staging and lights. Thankfully no one was hurt but it means we aren't able to put on the show for you.
"We are absolutely broken hearted as we were so excited to see you all. All tickets will be refunded, please contact your point of sale. The girls. x."
The Mirror have approached Little Mix's representatives for further comment.
Little Mix kicked off their glittering tour in Madrid before they jetted off to Milan in recent days.
They returned in show-stopping fashion when the band branded Piers Morgan a liar and accused him of signing off their tour stunt.
Little Mix and Piers have history after the GMB star slammed their naked campaign last year and claimed the girls were using nudity to sell their albums.
The foursome gave the presenter a cameo during their LM5 tour which sparked Piers to write a sarcastic tweet about his appearance.
"Fabulous! No surprise that Little Mix are using me to make their tour a success. Thanks ladies," he sarcastically tweeted.
He added: "They've literally made me centre stage at their concerts... without my permission, incidentally, so they'll be getting a large invoice."
Little Mix hit back claiming Piers had signed off his surprise cameo despite his claims of .
Their tour comes after one of their bandmates Jesy bravely documented her suicide attempt for new BBC documentary Jesy Nelson: Odd One Out.
The Samaritans is available 24/7 if you need to talk. You can contact them for free by calling 116 123, email jo@samaritans.org or head to the website to find your nearest branch. You matter.
* Jesy Nelson: Odd One Out airs on BBC One, at 9pm, on 12 September
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