Transcript for Camping Expediting Goes Awry As Polar Bear Attacks Tent
here tonight to a shocking polar bear attack. A lawyer from maine on a camping expedition in the north of canada dragged from his tent in the middle of the night by a bear that had broken through an electric fence. Tonight, that american is in the hospital and his wife is now thanking the fellow hikers who helped save her husband. Here's abc's rob nelson. Reporter: Tonight, a man from maine is in critical but stable condition in a montreal hospital, after being attacked by a polar bear, not pictured here, during a camping trip. Matthew dyer was camping inside torngat mountains national park in labrador when a bear tore through an electrified fence and attacked him inside his tent about 1:30 wednesday morning. Other campers were eventually able to scare the bear off, using flares. Dyer was rushed to montreal general hospital by helicopter, where he underwent emergency surgery. The extent of his injuries is still unclear, but the hospital says he is making good progress. Dyer's wife released this statement over the weekend, praising the hospital staff. "My husband is in critical but stable condition. He is a strong m and he is making improvements every day." Now, experts say polar bears attacking humans is very rare and when they do, it's usually because they are underfed, scared or provoked. They also say that melting sea ice around is world is drawing more of these bear, david, ashore. Rob nelson, thank you.
This transcript has been automatically generated and may not be 100% accurate.