Nicola Sturgeon is preparing to announce tough new restrictions across Scotland to control the rising tide of coronavirus cases.The First Minister is due to reveal the details of the plan to the Scottish parliament at 2.50pm on Wednesday after the cabinet has signed off the measures.There are fears that pubs and restaurants could face temporary closure under “circuit breaker” lockdown plans for some parts of the country.The SNP leader has emphasised that she does not want to impose a second national lockdown and that schools will remain open and there will be no Scotland-wide travel restrictions.But with the virus still spreading despite a nationwide ban on visiting other households there are concerns that covid is being transmitted in.