The Foreign Office has advised against all non-essential travel to Tunisia, and outbound flights have been cancelled.
BBC: British tourists back from Tunisia, Foreign Office says
Police said most of the county's roads remained passable "with extreme care", but only recommended essential travel.
People have been urged to avoid non-essential travel and South West Trains is running revised routes throughout Saturday.
Australia and New Zealand, as well as Britain and the U.S., continue to advise against all non-essential travel to Indonesia.
The British Foreign and Commonwealth Office has advised British nationals against all travel to Iran and all but essential travel to Quetta.
The British government is still advising against non-essential travel to Sri Lanka's eastern, southern and south-west coasts or to Thailand's west coast.
The warning, which advises all non-essential travel be avoided, applies to the south eastern side of the Brecon Beacons and Black Mountains.
In this article, on the map of the world, my country, Turkey, was colored to indicate "only essential travel recommended, " which is nonsense.
America, the European Union, China and India are advising citizens against all but essential travel to Mexico, where the virus seems to have originated.
Oriental Daily News says Hong Kong must upgrade its red travel warning for Egypt as travel agents and tourists are still going there for non-essential travel.
The British Foreign Office also announced it is advising British nationals to avoid non-essential travel to Iran, according to a statement posted on its Web site.
CNN: Iran to review ties with Britain amid claims of 'interference'
The US State Department has issued a travel warning urging citizens to avoid any non-essential travel to Japan through 1 April as strong aftershocks are expected.
The Foreign Office currently advises against all but essential travel to Tripoli and against all travel to other parts of Libya, such as the eastern city of Benghazi.
It already recommends against all but essential travel to Tripoli.
The warning to US diplomats also comes only days after the UK Foreign Office renewed its warning to avoid non-essential travel to the kingdom following the discovery of a terror plot.
The alert order came a day after the State Department said it was advising U.S. citizens against all but essential travel to Tripoli and all travel to Benghazi and other locations in Libya.
Reducing water use at its buildings, cutting down on non-essential travel and the construction of modern energy efficient stations to replace existing ones have been among suggestions of the ways in which HIFRS could cut CO2 emissions.
BBC: Highlands and Islands brigade aims to cut CO2 emissions
In the wake of the most recent attack, Britain's Foreign Office changed its advice to tourists heading for Kenya, warning against "all but essential travel to coastal areas within 150km of the Kenya-Somalia border, " and cautioning that beachfront accommodation in the region is particularly vulnerable.
Air travel is essential to shuttle fans between games, but most of Brazil's airports are already operating above their nominal capacity.
Since the release of the original PlugBug, many notable MacBook power users have made PlugBug an essential part of their travel gear.
ENGADGET: PlugBug World brings global travel to the MacBook / USB charger
"If travel is essential, the public should avoid exposed or coastal areas where gusts could cause significant harm to individuals, " he said.
"Go to your favorite pharmacy and walk up and down the aisles, and take the things off the shelf you'd like to have at home, " she advises, adding that Imodium and antibiotics are essential additions to any travel medical kit.
They advised people not to travel unless absolutely essential, and to check on people who might be vulnerable or elderly.
"If people don't need to travel, don't make non-essential journeys, " he added.
Police across the country's busy central belt warned people not to travel on Tuesday unless it was "absolutely essential" after temperatures plunged as low as -17C (1.4F) and hampered gritting efforts.
Really, though, the biggest suitcase essential is common sense, "which most people forget to pack when they travel, " she says.
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