By Katie-Ann Gupwell The chilly weather could bring “super rats” into British homes, it’s been claimed. Homeowners were advised to start taking measures to keep the pests at bay as the cold sets in. A woman from Farnworth Bolton was left terrified to enter her garden after it was invaded by super rats. The rodents dug holes and left the area smelling of rat urine and covered in droppings, making it unfit for her grandchildren to play. Chris Bonnett, a gardening expert and founder of GardeningExpress, said: “The cold snap expected this January will mean that these rodents are fleeing their usua…