gave an interview to Spain's ABC newspaper. He announced possible plans to introduce a 50 euro border crossing fee for people going to and from Gibraltar, in response to the creation of the artificial reef. Plans to close Spanish airspace to Gibraltar bound flights were also reported, as were plans for an investigation by Spanish tax authorities into property owned by around 6,000 Gibraltarians in neighbouring parts of Spain. The Spanish Foreign Minister also mooted plans to changes in the law meaning British online gaming companies based in Gibraltar would have to base servers in Spain, meaning that they would come under Madrid's tax regime. The British Foreign office responded to these comments: "The prime minister has made clear that the UK government will meet its constitutional commitments to the people of Gibraltar and will not compromise on sovereignty." Effect of Brexit After the United Kingdom voted to leave the European Union, despite a strong vote to remain in Gibraltar, on 23 June 2016, Spain reiterated its position that it wanted to jointly govern Gibraltar with the United Kingdom and said it would seek to block Gibraltar from participating in talks over future deals between the UK and EU. The European council released a series of guidelines on negotiations for withdrawal, with core principal number 22 stating that any agreement affecting Gibraltar needed the agreement of Spain suggesting that Spain had been given a veto while the United Kingdom re-iterated its commitment to Gibraltar. EU Withdrawal Agreement On 18 October 2018, Spanish Prime Minister Pedro Sánchez announced that he had reached an agreement with Britain, declaring that a special protocol about Gibraltar was being prepared along with the UK Government and was hopeful to reach a good agreement for both parties. However, on 19 November 2018, the Spanish Government threatened not to support the Brexit Agreement Draft because they say that an article was added without their consent that could be misunderstood and leave Spain without a say over Gibraltar. On 22 November 2018, PM Sánchez and PM May discussed the problem but the Spanish PM declared that "our positions remain far away. My Government will always defend the interests of Spain. If there are no changes, we will veto Brexit." On 24 November 2018, Spain agreed not to veto the Brexit deal in exchange for a tripartite statement of the European Commission President and the European Council President, the