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A baby has been born in Orange County, California, weighing 14 pounds and two ounces (6.410 kg), double the weight of the average newborn.

Doctors said Richard Walker Sault, born two days before Christmas, was one of the biggest babies they have ever seen.

Baby Sault was delivered by caesarean section and both mother and child are said to be in good health.

However, his parents have had to exchange all his clothes for bigger sizes.