- Spain has been accused of using Brexit to make a "land grab" for Gibraltar under official negotiating guidelines drawn up by the EU; Madrid will be given an effective veto on whether Brexit applies to the peninsula.
- Rows over Gibraltar have held up entire EU deals in the past, including current legislation governing air travel.
- ETFs: EWP, EWU, EWUS, FKU, DXPS, QESP, DBUK, QGBR, HEWP, DBSP, HEWU