In late New York trading, the euro dropped to $1.2330 from $1.2365 in the previous session, and the British pound increased to $1.4226 from $1.4176 in the previous session. The Australian dollar was down to $0.7756 from $0.7757.
The US dollar bought 107.20 Japanese yen, higher than 106.91 Japanese yen of the previous session.
The US dollar was up to 0.9621 Swiss franc from 0.9580 Swiss franc, and it rose to 1.2587 Canadian dollars from 1.2578 Canadian dollars.
US President Donald Trump said Wednesday that Russia should get ready for missile attacks against Syria. He amended the warning on Thursday, saying a military strike "could be very soon or not so soon at all."
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