Prices gave up most of their early gains as oil production facilities remain unaffected by attacks.

Tweets by U.S. President Donald Trump and Iran’s foreign minister also appeared to signal a period of calm – for now.

Brent crude futures were down 49 cents, or 0.72 per cent, at 67.78 dollars by around 1254 GMT, after earlier rising to their highest since mid-September at 71.75 dollars.

West Texas Intermediate crude futures were down 76 cents, or 1.21 per cent, at 61.94 dollars a barrel. WTI has seesawed through the day.

The futures earlier hit 65.85 dollars, the highest since late April last year, before briefly being down by over 1 dollar from the previous close.

Iran’s missile attack on U.S.-led forces in Iraq came early on Wednesday, hours after the funeral of Qassem Soleimani, the commander of the country’s elite Quds Force killed in a U.S. drone stroke on Jan. 3.

Tehran fired more than a dozen ballistic missiles from Iranian territory against at least two Iraqi military bases hosting U.S.-led coalition personnel, the U.S. military said on Tuesday.

Stock, currency and gold markets were also roiled by the attacks.

Trump said in a tweet that an ssessment of casualties and damage from the strikes was underway and that he would make a statement on Wednesday morning U.S. time. “All is well!” Trump said in the Twitter pos