CARDIFF, UNITED KINGDOM - MAY 18: British Airways planes grounded at Cardiff Airport on May 18, 2020 in Cardiff, United Kingdom. BA has provided cash refunds for 921,000 tickets due to the disruption caused by the coronavirus pandemic. The British government has started easing the lockdown it imposed two months ago to curb the spread of Covid-19, abandoning its 'stay at home' slogan in favour of a message to 'be alert', but UK countries have varied in their approaches to relaxing quarantine measures.