By ESTHER MARSHALL – www.express.co.uk Diego Echavarria is an expert in Spanish residency law. He is the founding partner of Fairway Lawyers on the Costa del Sol and spoke to Express.co.uk about British expats in Spain. He told Express.co.uk that one of his clients was asked to leave Spain in 72 hours after she struggled to prove she had residency. He said: “I had a case where someone who is a citizen in Spain couldn’t justify it. They gave her 72 hours to leave the country. “She was able to prove that she had residency so she was fine but I don’t know what’s going to happen to other people […]