Madeleine McCann.Peter Erdmann, 64, said Christian Brueckner gave sweets and cuddly toys to children aged seven to 10 for two years.He said kids turned up at school with gifts they said Brueckner gave them – and another local claimed children went behind the counter and into the storeroom of his shop.Peter now says police should investigate whether Brueckner was grooming kids at the kiosk, just 300 yards from a school in Braunschweig, north Germany.The caretaker said yesterday: “The police