Britons visiting Gibraltar could lose some of their 90-day allowance to travel in Europe under new plans proposed by the UK’s minister for Europe. Travellers would have to ensure their travel documents comply with post-Brexit rules if Schengen Area checks are introduced at the narrow peninsula. European Minister Leo Docherty, who is leading post-Brexit negotiations with the European Commission, outlined the consequences that could ensue an abolition of the current Girbaltar-Spain border if Schengen Area rules are applied. Under the new propositions, tourists could be subjected to new immigrati…