nicola sturgeon has revealed that omicron has become the dominant covid variant in scotland, overtaking delta. the first minister said there were almost 700 confirmed cases, but that the real number was probably much higher. our scotland correspondent, alexandra mckenzie, has more. the first minister has just been speaking, nicola sturgeon had warned of a tsunami of cases, and she said we are beginning to see the effect of that tsunami. yesterday we had around 6,000 covid cases, today there were more than a,000. although we do understand that is a bit of an underestimate. and there has been an increase of a0% of cases in the last week. the first minister said she was appealing for people to go and get vaccinated. there was a record number of people vaccinated yesterday. she is also urging people, particularly on the run up to christmas and after christmas, to stay at home as much as possible and to limit your socialising.