January 03, 2021 British and Spanish authorities moved to reassure UK nationals resident in Spain over their travel rights after several complained of being denied entry this weekend, amid pandemic restrictions and confusion over post-Brexit documentation. MADRID — British and Spanish authorities moved to reassure UK nationals resident in Spain over their travel rights after several complained of being denied entry this weekend, amid pandemic restrictions and confusion over post-Brexit documentation. The British Embassy in Madrid called on Spanish authorities to show flexibility following the passengers' distressing experiences. Some were allegedly refused permission to board a flight from London to Madrid, while others were reportedly put back on the plane after arriving in Barcelona.