In the UK, a lifeboat had to rescue six teenagers who were getting cut off by the sea while playing Pokemon Go in Weston-super-Mare last night.
It follows a similar incident in Hastings this week when a lifeboat was launched for three girls who had entered the water in a red-flag zone whilst playing the game.
Guy Addington from the RNLI says game players shouldn't under-estimate how dangerous the water can be: