This article was originally published on March 20, 2018.

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Travel restrictions have been imposed in the Pacific islands following an outbreak of coronavirus, which was first detected in the United States.

Hawaii has also been under lockdown since Saturday after a man who had been on a flight from Los Angeles was diagnosed with the virus.

More: A number of people have been arrested and some airlines are cancelling flights to and from Hawaii.

More travel restrictions were imposed in Europe and the Middle East after an outbreak in the UK last week.

More than 400,000 people have tested positive for coronaviruses in Europe.

In the Middle Eastern country of Saudi Arabia, health authorities have imposed a blanket ban on public gatherings and flights to the capital, Riyadh.

The World Health Organization (WHO) has said the Saudi health system is in an unprecedented stage of isolation, and that it is not ready to respond to new coronaviral cases.WHO has urged people to monitor their own health, but cautioned against over-exuberance.

The WHO has urged caution as the virus continues to spread and urged countries to prepare for a pandemic.

There are no confirmed cases in the Middle east.

There is no information to indicate that a virus has been detected in Iran or elsewhere in the region.