By Seamus Duff Kate Garraway shared an agonising 12-hour flight from Mexico to the UK with her husband, Derek Draper, while doctors battled to save his life. The 56-year-old TV presenter was left devastated earlier this week when her husband died following an almost four-year battle against Covid. Late author Derek was 56 when he died – and had battled ill health since he was hospitalised by Covid back in March 2020. Last year, Kate and Derek flew to Mexico so he could receive specialist treatment in the hope he could recover some of his health. However, he suffered a heart attack while he was…