coronavirus.Nicola Sturgeon unveiled the crackdown after alarm at the way Covid is making a comeback in Scotland.House parties where people are ignoring strict rules on social mixing have been blamed for a spread in clusters such as Aberdeen, which is still in a local lockdown.Sturgeon also announced councils will be able to shut businesses failing to meet regulations.At the Scottish Parliament, the First Minister said: "We know that large house parties pose a very real and significant risk of