Tiny amounts of metal found in frozen drinks machines were similar to those found in food cooked in cast iron or stainless steel pans, according to independent lab tests, and posed no health risk, the firm added.

BBC: Coke hits back in fraud probe

Bloom, 25, worked with a heavy metal pole to break ice blocks into the frozen water.

WSJ: NY inmates help build ice palace in Adirondacks

His suit alleges that Coke managers knew that drinks machines were allowing metal residue to contaminate some products when they were frozen.

BBC: Coke hits back in fraud probe

Suppliers of frozen drinks machines have told Coke there had been a few cases of metal residue in dispensers in recent years, the company said.

BBC: Coke hits back in fraud probe

The occasional parties packed with opera singers happen in the kitchen, which has rift-sawn oak and metal cabinets, and a butler's pantry, which has its own refrigerator and is stocked with frozen glasses for the cocktails Ms. Clayton mixes up (her latest concoction is called "Flaming Lips" because it includes habanero peppers).

WSJ: A Diva's Desert Hideaway