 
 Jedward's hopes of success at this year's Eurovision Song Contest may have been dealt a blow because one of the twins has lost his voice.
John Grimes, who is due to represent Ireland with brother Edward, has been advised to rest by doctors.
"He lost his voice because they've done so many press interviews,” a source told the Daily Mirror. "He's been told to rest his voice as much as possible but with them, that's easier said than done."
Jedward are yet to secure their place in final in Düsseldorf, Germany on Saturday (10).
The twins will first have to get through a semi-final on Thursday (May 12). Blue will represent the United Kingdom and are already in the final.
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