The physical border fence between Spain and Gibraltar was removed at midnight following the signing of an EU-UK treaty on Tuesday, with celebrations occurring overnight into Wednesday 15 July. Gibraltar, which has a population of 38,000 and was ceded to Britain in 1713, sees 15,000 Spanish workers cross the land frontier daily; the treaty ended routine border controls after four years of negotiations and introduced joint UK-Spanish passport checks at the airport and port. Sources confirm these events but differ on their implications for sovereignty, mobility, and security.