‘Good boy’: dog saves Philadelphia neighborhood from potentially explosive gas leak

Kobe the husky becomes internet hero for video of him digging hole in concrete - leading his owner to detect presence of gas

Some dogs earn the affectionate title of good boy" for obeying their owners' commands to sit or fetch. Others earn it by saving their neighborhoods from grappling with a potentially explosive gas leak days before Christmas.

Philadelphia's Kobe the husky belongs in the latter category, according to a viral Instagram video published by his owner that has vaulted him to the status of internet hero.