"The two governments have been at loggerheads since Prime Minister Boris Johnson and his advisers abruptly reintroduced the quarantine measures six days ago — to howls of protests not only from the Spanish government but also from Britain’s struggling airlines and Spanish hoteliers trying to stave off bankruptcy."
"The dispute is threatening to reignite tensions between the two countries over the fate of Gibraltar, analysts say. Spanish politicians, goaded by the country’s tabloid press, are warning that they won’t do Britain any favors in the deadlocked negotiations over Britain’s relationship with the EU. A key stumbling block in the negotiations is over fishing rights in Britain’s waters." Spain, Britain at COVID-19 Loggerheads
Gibraltar British or Spanish Gibraltar - British or Spanish?