Robin Gibb shows "flickers of life" as his brother Barry sings to him

Brotherly love! Robin Gibb shows signs of pulling through coma after sibling Barry sings to him

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UPDATED:

18:25 GMT, 20 April 2012

Bee Gee's singer Robin Gibb apparently showed signs that he might pull through his coma last night.

The 62-year-old who fell into unconsciousness last week reportedly responded to his elder brother Barry's voice.

Barry sang to Robin by his bedside and a source close to the family said this prompted 'flickers of life'.

Brave: Robin Gibb has shown 'flickers of life' after his brother Barry sang to him

Brave: Robin Gibb has shown 'flickers of life' after his brother Barry sang to him

Speaking to The Sun, the source said, 'There were flickers of life from Robin. His eyes moved and there was an attempt at speech.'

'It was a good sign he is fighting hard for his life but he is certainly not out of the woods yet.'

'The family have to remain very cautious,' the source added.

Loving: Barry Gibb spotted leaving the private hospital in Chelsea where his brother is fighting for his life

Loving: Barry Gibb spotted leaving the private hospital in Chelsea where his brother is fighting for his life

Brothers: Barry and Robin Gibb at the 55th Annual BMI Pop Awards in Beverly Hills

Brothers: Barry and Robin Gibb at the 55th Annual BMI Pop Awards in Beverly Hills

Barry Gibb, 65, jetted into the UK from Tennessee to join other members of the family, following Robin's re-admission to hospital.

Robin is now battling pneumonia, following months of health troubles, after being diagnosed with colon cancer after surgery for a blocked bowel in 2010.

In a recent interview, Robin's wife Dwina said, 'Barry was singing to him. Thousands of people are saying prayers every day.'

Praying: Dwina can't hide her upset as she breaks her vigil

Praying: Dwina couldn't hide her upset as she breaks her vigil

Last week, Dwina was spotted leaving the private hospital in Chelsea where her husband is fighting for his life.

She's been saying prayers at his bedside since he was admitted to hospital but she was pictured showing the strain of the past few days.

As she took a break from her vigil, the pained expression on her face spoke volumes.

Strong: Robin's wife attempts to brave a smile as she arrives at the hospital

Strong: Robin's wife attempts to brave a smile as she arrives at the hospital