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(Reuters) - Swimsuit model Kate Upton said on Tuesday her body shut down after she posed in a skimpy bikini in Antarctica for Sports Illustrated magazine. Upton, wearing only a white bikini bottom and an unzipped white parka, was picked as the cover girl for the annual Sports Illustrated swimsuit issue, unveiled on Monday, for the second consecutive year. "It was freezing," Upton, 20, told NBC's morning TV show "Today" on Tuesday. "I'm from Florida, so it wasn't easy for me. "When I came back, I was losing my hearing and eyesight. My body was shutting down because it was working so hard to keep me warm." Upton joins celebrity models including Elle Macpherson, Christie Brinkley and Tyra Banks to appear more than once on the swimsuit issue's cover. M.J. Day, a senior editor for Sports Illustrated, told Reuters that Upton braved temperatures as low as 24 degrees Fahrenheit (-4 Celsius) and wind chills as low as -20 F...

 In this image taken from video provided by KABC-TV, the cabi where ex-police officer Christopher Dorner is believed to be barricaded inside is in flames. Photograph: KABC-TV/AP The hunt for  Christopher   Dorner , a former police officer accused of two murders in California ,  appears to have narrowed with reports that the fugitive former police officer has been involved in a shootout with law enforcement officers on Tuesday afternoon. Two deputies with the San Bernardino sheriff's department were shot and wounded in Big Bear, north-east of Los Angeles. Local news reports said Dorner had broken into a home, tied up two people and stolen a pickup truck. Dorner was then confronted on a highway by fish and game wardens before fleeing on foot. He is now holed up in a cabin, according to the San Bernadino's sheriff's office. News outlets,  including CBS Los Angeles , aired the sounds of gunfire and shouting in live broadcasts from the Big Bear a...