Mundungus Fletcher Caught Selling Stolen Items from Grimmauld Place

While walking through Hogsmeade, Harry, Ron, and Hermione encounter Mundungus Fletcher attempting to sell stolen items from Sirius Black's house. Harry is furious and confronts Mundungus, pinning him against the wall and accusing him of theft. Mundungus tries to deny it but eventually Disapparates after being freed.