Post Malone fans have expressed their fear for the Circles singer, after videos circulated online of the star acting unusually onstage.
Several fans, who have attended the singer's Runaway tour, took to social media to share videos of the 24-year-old displaying unusual behaviour during his performances.
One video shared online showed the star stumbling on stage, as he struggled to keep his balance. While another clip, which was circulated saw the Better Now singer cradling his microphone in his hands, as he waved while his eyes were closed.
A third video saw the star's eyes rolling back, as he performed his popular 2017 hit Rockstar. As the videos began to do the rounds on Twitter, concerned Post fans flocked to the social media site to
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