Labrador mix alerts his owner, a fisheries technician, to the presence of brown bears while he works salmon streams.

Andrew Nierer, of Jim Thorpe, was making a food run to a grocery store Jan. 19 when, according to the Pennsylvania Game Commission, a bear “aggressively approached." ...

In security footage captured from a neighboring home, the bear can be seen running up to Nierer and tackling him to the ground. Luckily Nierer's neighbor, Mike Bramich, saw the attack and rushed ...

but the bear came towards him. A neighbor -- who saw the attack -- sprung into action, grabbed a gun and shot and killed the bear. A spokesperson for the Game Commission said black bears ...