Blockages are no laughing matter, but finding the Joker in the sewer made Severn Trent team chuckle
While Batman's nemesis The Joker is set to hit the big screen once again this week in Joker: Folie à Deux starring Joaquin Phoenix and Lady Gaga, a plastic version of the super-villain swapped Gotham City for Severn Trent sewers. The Clown Prince of …