I had a large booking with Tomorrowland (big music festival in the alps) which was cancelled by provider due to covid-19. Originally they have promised for a full refund by March 31 (in writing and verbally). By mid April they decided no refunds will be given just vouchers with an option for a refund come November. I disputed the charges (was over 25 different charges), whilst i won the earlier ones the past few chase has sided with them since the shutdown was government mandated and the fact that they promised a refund is irrelevant. (They claimed these are visas rules.) Anyone know if this correct/legal is there anything else i can do?