LONDON - Britain updated its advice for travel to the United States on Thursday, warning of harsh consequences for Britons who violate US immigration laws.

In its updated advice, the Foreign, Commonwealth and Development Office urged British citizens to "comply with all entry, visa and other conditions of entry."

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"The authorities in the US set and enforce entry rules strictly," the office said. "You may be liable to arrest or detention if you break the rules."

The notice comes just a day after Germany updated its travel advice after three of its citizens were detained trying to enter the United States.

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Britain's foreign office confirmed earlier this month that it was providing support to a British national reportedly detained at the border in the United States, according to the Reuters.