Shakira has been forced to reschedule her El Dorado world tour for a second time due to continuing problems with a a haemorrhage on one of her vocal cords.

The news comes after she was initially postponed the tour, which was due to start in November, until January.

Now in a post on her Instagram account, the 40-year-old Colombian singer has revealed that the haemorrhage has not yet healed. 

"Though I very much hoped my vocal cords would recover in time to pick the tour back up in January, and after exploring many options to that effect. I have accepted that this is an injury that simply needs more time and care to heal." she wrote.

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The ailment first came to notice through a `strange hoarseness' which the singer detected in her voice.

Shakira is the biggest-selling Colombian singer of all time and her net worth has been estimated at $220 million (€185 million). 

She signed her first recording contract aged 13 and her first English language album was released in 2001. Hips Don't Lie, which was a huge hit in 2005, propelled her to world-wide fame.