NHS worker who was killed just 20 minutes before her daughter.A social media campaign has been launched asking people around the country to take part in the vigil from 7.45pm tonight.A post read: “Tonight people are being asked to light a candle from around 7.45pm in remembrance of Nicole Anderson, 24, and Emma Robertson Coupland, 39, who both tragically died during the serious incident which took place in Kilmarnock last night.”Mum-of-four Emma died after being ‘stabbed’ in a car park at