A spokesman for Toronto's transit system is speaking out after a video was posted on YouTube that appears to show a man walking on the subway tracks playing Pokemon Go.
The YouTube video, called "Pokemon Go Problems", shows a man walking into various objects, falling over and, apparently, playing the game on the subway tracks at Toronto's Union Station.
TTC spokesman Brad Ross says the person could have been killed or seriously injured walking on the tracks.
He says if the person had tripped, he could have landed on the third rail and been electrocuted. He also noted that trains enter that particular station on a curve and may not have been able to see him.
Ross says that "at the minimum" the stunt could have delayed thousands of subway riders.
He says there are no Pokemon to be caught on subway tracks, so people have no reason to replicate the stunt.