Adventurer and TV show host Bear Grylls injured his shoulder . The former British Army ranger was on a trek in the Himalayas when he fell from an altitude of about 6,200 feet to the ground at around 7.30am local time (0900 GMT). Host going to UK for treatment , Discovery Channel says .
Adventurer and TV show host Bear Grylls injured his shoulder . Grylls was in Antarctica on an expedition for charity . Host going to UK for treatment , Discovery Channel says .