Scottish Parliament the continued fall in coronavirus cases is giving grounds for "cautious optimism".The First Minster told MSPs that primary children will return to school next week as planned along with more senior secondary pupils.Children in primaries 4-7 are due to join their younger classmates back in school from Monday.Ms Sturgeon also confirmed that up to four adults from two households will be able to meet outside from Friday.She spoke as the latest Covid-19 figures show 22 deaths from