"The Iranian retaliation could take the form of a quick response by proxies against US allies and assets".
Concern shifted to potential retaliation, and US oil companies were taking steps to evacuate workers from Iraq.
Oil production in Iraq, the second-biggest producer in the Organization of the Petroleum Exporting Countries, was about 4.62 million barrels per day (bpd), according to a Reuters survey of OPEC output. US crude prices increased about the same.
"Oil remains supported by the back-burner trade truce and the uptick in political unrest in Iraq", said Stephen Innes, chief Asia market strategist at AxiTrader.
Grenell has long stressed the need for European partners to get on the same page with the United States regarding Iran and has worked extensively behind the scenes to push German officials to support US policy on the issue.
While no oil installations or production were hit, the killing of one of Iran's most powerful generals is a provocation that ratchets up tension between Washington and Tehran, heightening fears of an armed confrontation that could pull in other countries.
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The church member reportedly told police she received a text from Ebichi asking her to come over. An autopsy performed Tuesday confirmed the victim was in her first trimester of pregnancy.
"The factors in the market pushing oil prices higher are based on the view that Iranian authorities collectively, or the Islamic Revolutionary Guard Corps, independently, could potentially take retaliatory actions that increase the likelihood of supply disruption in the Middle East,"said Edward Morse, an analyst with Citi".
"As seen in May, oil sustained at above 70 dollars a barrel has the potential to push the price of petrol to around the 130p-a-litre mark", he said.
The oil futures market is already beginning to price in near-term supply tightness.
And energy consumption continues to rise steadily. The surge in prices is worrying for New Delhi as India imports more than 80% of its fuel requirements. -China Phase 1 trade deal would be signed on January 15 at the White House.
West Texas Intermediate (WTI) crude was up $1.52 or 2.5% at $62.70 a barrel.