Nicola Sturgeon has conceded Scotland is set to continue its spell in lockdown and warned there is "very little room, if any, for changing the restrictions" currently in place.The First Minister will officially review the current lockdown measures on Thursday.But in an update to the Government's COVID-19 framework today, she warned: "On our assessment of the current evidence for Scotland, it is almost certain that no significant change will be possible on 7 May."Ms Sturgeon warned that "fine margins" were determining her decision-making, as she attempts to guard against the virus "spreading exponentially again".The government's current estimates show there are approximately 26,000 infectious people in Scotland."This number remains much too