IPSWICH: Paul Mason plans to sue the NHS after claiming medics failed to prevent his weight rocketing.

The 50-year-old, who was once the world’s fattest man, weighed around 60 stone at his heaviest.

Mr Mason, from south east Ipswich, underwent life-saving gastric surgery last year.

The procedure was featured in a Channel 4 documentary earlier this week.

But now a national newspaper claims the former postman is set to launch legal action against the NHS who he claims ignored his plight.

Reports claim Mr Mason will use any compensation to help other patients who need weight-loss operations.

He claims a doctor told him to ride his bike more when he sought help - at 30st - in 1996.