The younger man knifed his rival in the left arm and then took off, running barefoot on the icy streets, according to the sources. He wore only a gray sweater and no pants, according to the sources.

Pawel Durakiewicz sets the Guinness World Record for the fastest time 21km barefoot run on ice at the Lulea Sea Ice Marathon, one of the world's toughest races. Durakiewicz finished the race in Lulea, ...