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The singer had to be rescued after getting caught underwater whilst filming a music video.
The JLS star got his foot tangled on a camera cable while the band were being filmed fully clothed underwater.
Lifeguards were summoned to save the 24-year-old. Filming had to be put on hold to allow Aston time to recover from the incident.
'Aston was really shaken up,' a source close to the band reportedly revealed. 'He couldn't untangle the cable and was underwater for some time.
'Luckily they had lifeguards on set who dived in to save him,' continued the source.
'In the end he was gutted that a couple of blokes rescued him instead of female lifeguards!'
The chart-toppers were shooting videos for their upcoming sell-out 4th Dimension Arena Tour, which starts this week in Liverpool.