Further facts about Gibraltar row
- Mr Picardo's visit to the UK saw him meet with Foreign Secretary William Hague on Wednesday, a meeting he said showed that the UK and Gibraltar governments "remain in lockstep" over the disagreement.
- The spat effects regular commuters as up to 8,000 Spaniards living mainly in the nearby towns of La Linea and Algeciras travel daily to Gibraltar for work.
- Yesterday, the Gibraltar government accused Spain of introducing an export ban on construction materials to punish the enclave.
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