Prince Harry and Meghan Markle have celebrated their third wedding anniversary by announcing plans for a disaster relief centre in India to aid the fight against Covid-19.The Duke and Duchess of Sussex, who married three years ago on Wednesday 19 May at Windsor Castle, announced the plans on their Archewell website. In a statement on their site, the couple said the centre will “provide relief and resilience as well as healing and strength” for those who use it.