While the U.K. has a larger military, Spain enjoys a proximity advantage.
If Spain grabs the Rock, Ceuta and Melilla will demand freedom from Spanish rule.
"The sovereignty of Gibraltar is unchanged and is not going to change," said Britain's foreign minister Boris Johnson.
EU leadership is determined to present a united front as Theresa May seeks deals for Britain.
The U.K. wants an outcome other EU leaders haven't sought and have little incentive to make easy.
The former prime minister resigned after failing to secure a Remain vote.
Will this all end with no deal, no EU reform and an independent Scotland?
The European parliament has the power to veto a Brexit deal and will play a key role in talks.
A free trade deal like Canada has with the EU would not provide the same market access British firms currently enjoy.
EU member states are not a unified club and divisions are likely to emerge.
The letter gives us some clues about May's negotiating priorities.
The two sides will need to meet three key objectives by March 2019.
"If people want to have a bit of fun about how we dress, then so be it," May said.
The prime minister will promote the 'great union of nations' of the United Kingdom in Scotland visit.
It is an old Russian strategy to conduct its attacks when the world is looking elsewhere.
May also vowed that Parliament would continue as normal, despite the attack.
Triggering article 50 will begin a two-year period in which the U.K. will negotiate any future relationship with the EU.
Prime minister criticizes Britain's Theresa May for standing in the way of a new independence referendum.
'Right now we should be working together, not pulling apart,' May said.
Both had fortuitous routes to power and assumed absolute authority over the matters of the day.
Davis also said his department had not assessed the economic impact of the U.K. leaving the EU with no deal.
The bill will now be sent to the queen for symbolic approval which could be granted as early as Tuesday morning, leaving May ready to start a two-year negotiation period.
Sturgeon said it was unlikely Scotland could get what it wanted from Brexit talks within the U.K.