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The pound fell against its most major counterparts in the New York session on Tuesday.
The pound fell to a 4-day low of 190.40 against the yen.
The pound eased against the franc and was trading at 1.1041.
The pound retreated to 0.8512 against the euro, from an early fresh 3-week high of 0.8487.
The currency may challenge support around 187.00 against the yen, 1.08 against the franc and 0.86 against the euro.