The Government have announced that travellers returning to the UK from Spain now have to quarantine for 14 days.
Spain's removal from the list of exempt countries follows "a significant change over the last week in both the level and pace" of coronavirus cases, the government said.
What are the rules for Spain, the Canary Islands and the Balearic Islands?
People already in Spain can stay for the remainder of their holiday, however, those coming back after 26 July will have to self-isolate for two weeks upon their return.
These rules apply to travellers arriving from anywhere in Spain - including the Canary and Balearic Islands.
And the government is now advising "against all but essential travel to the whole of Spain".
Travellers arriving into England, Wales, Scotland and Northern Ireland are all affected by the new guidelines.
What are the quarantine rules?
Travellers from affected countries - including UK nationals -are asked to provide an address where they will self-isolate for 14 days. They can be fined £100 for failing to fill in a form with these details.
One in five eligible passengers will be called or texted to check they are following the rules.
People who do not self-isolate can be fined up to £1,000 in England, Wales and Northern Ireland and those returning to Scotland could be fined £480, with fines up to £5,000 for persistent offenders.
Passengers should drive in their own car to their destination, where possible. If they don't provide an address, the government will arrange accommodation at the traveller's expense.
Once at their destination, they must not use public transport or taxis during the quarantine period. They must also not go to work, school, or public areas, or have visitors except for essential support.
Not are they allowed to go out to buy food, or other essentials, if they can rely on others.
People returning from overseas will not be automatically eligible for statutory sick pay during this period, unless they meet the required conditions- for example displaying coronavirus symptoms.
Which countries won't have to quarantine?
Anyone arriving from the Common Travel Area (CTA) - the Republic of Ireland, the Channel Islands, or the Isle of Man - does not have to enter quarantine, as long as they have been in the CTA for at least 14 days.
Do other countries have quarantine rules?
Travellers could find they also have to enter quarantine when they arrive in another country, even if they do not have to quarantine in the UK on their return. Some countries have introduced screening measures such as temperature checks and restrictions
- Austria requires Britons to self-isolate unless they have a recent medical certificate or test negative for coronavirus on arrival
- New Zealand has barred almost all foreign travellers from visiting, while Australia requires an exemption visa if you are not a resident or a citizen
- South Korea imposes a 14-day quarantine
- Visitors to Iceland can either choose to pay for a test or go into quarantine
- You are not allowed to enter Cyprus if you have been in the UK in the last 14 days
What has the response been?
The introduction of quarantine was not welcomed by the UK's travel industry when it was first announced.
Airlines UK, which represents various airlines, said quarantine would have a ''devastating impact'' on business, but noted there had been a huge increase in bookings in the days before the announcement.
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