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Fog forces Olympics to delay some events

KRASNAYA POLYANA, Russia – Dense layers of fog swathed Rosa Khutor Extreme Park on Monday afternoon and prompted the postponement of the men's snowboardcross event.

The race is rescheduled for 10:30 a.m. Tuesday, an open day at the Extreme Park.

The fog, which moved in early Sunday evening, had yet to abate despite efforts from course administrators to blow it away using high-powered fans deployed throughout the course.

[ Related: American snowboarder Lindsey Jacobellis relives Olympic nightmare, falls again ]

At the top of the mountain, officials announced the day's cancellation at around 2:10 p.m. local time, about 40 minutes after the races were set to begin.

Already officials had canceled the 11 a.m. seeding races, and concerns over the riders' safety ensured the races on the challenging course would not be run.

In good weather, the course left a number of injuries in its wake. Skicross racer Maria Komissarova remains hospitalized and in "grave but stable" condition after an accident during training left her with a broken vertebrae and dislocated spine. Three women's snowboardcross racers were carted off the course during Sunday's races, including American Jackie Hernandez, who suffered a concussion.

[ Related: Why Olympic gold medalist Eva Samkova wears a mustache during snowboardcross ]

Americans Nate Holland, Nick Baumgartner, Trevor Jacob and Alex Deibold all are medal contenders in snowboardcross, a sport in which six racers speed down a course with twist, bumps and large jumps.

The men's biathlon 15k mass start also was postponed a third time because of heavy fog. It was rescheduled for Tuesday.

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