* Turkey strikes on Syria raise regional security fears
* Refinery fires in U.S., Russia lift U.S. refined products
* Coming up: U.S. Sept. nonfarm payrolls 8:30 a.m. EDT Friday
(Recasts, updates prices, market activity)
By Robert Gibbons
NEW YORK, Oct 4 (Reuters) - Oil prices jumped 2 percent Thursday as Turkey's retaliatory strikes on a Syria sparked more concern about potential disruptions to Middle East oil supply, while U.S. gasoline futures rallied after a fire at a refinery in Texas.
Crude futures bounced after a 3-percent fall Brent and 4-percent fall in U.S. crude's the previous session, with U.S. RBOB gasoline also recovering from slump on Wednesday.
Adding support for crude futures, the euro hit a two-week high against the dollar after European Central Bank President Mario Draghi affirmed his commitment to preserve the region's monetary system and its currency.
The dollar index fell and a weak U.S. currency is usually supportive to dollar-denominated commodities like oil.
U.S. stocks on Wall Street pushed higher a fourth straight session after U.S. jobless claims data came in near expectations and on the ECB news.
"Turkey's strikes on Syria caused the short covering after yesterday's losses in crude and the stock market rise and weak dollar also were factors," said Gene McGillian, an analyst at Tradition Energy in Stamford, Connecticut.
Investors awaited Friday's key U.S. September nonfarm payrolls report, which is expected to reveal 113,000 jobs added last month, only a slight improvement over the increase of 96,000 jobs in August.
Brent November crude rose $2.25 to $110.42 a barrel by 12:39 p.m. EDT (1639 GMT), having reached $110.72.
U.S. November crude was up $2.15 at $90.29 a barrel, back above the 100-day moving average of $89.94, a technical level closely watched by chart-watching traders.
U.S. RBOB gasoline jumped 9.07 cents to $2.8902 a gallon, back above the 100-day moving average of $2.8774 and having reached $2.9006. Gasoline fell nearly 7 cents the previous session.
U.S. heating oil , the benchmark distillate contract, rose 6.78 cents to $3.1342 a gallon. TURKEY, SYRIA SPAR
Turkey stepped up retaliatory artillery strikes on a Syrian border town, while its parliament approved further military action if there is more spillover from Syria's internal conflict.
Damascus apologized through the United Nations for shelling southeast Turkey on Wednesday and said it would not happen again, Turkey's Deputy Prime Minister Besir Atalay said.
"The hostilities between Syria and Turkey reinforce supply fears, as a number of pipelines cross the region," said Carsten Fritsch, an oil analyst at Commerzbank in Frankfurt.
At the same time, the West and Iran remain at odds over Tehran's nuclear program.
The U.N.'s International Atomic Energy Agency chief said no date has been set for further talks with Iran over suspicions it has been conducting research into developing nuclear weapons.
"We are committed for dialogue and we are ready to have a meeting at an early date but the fact is, that as of today, no specific date is decided for a meeting," IAEA Director General Yukiya Amano told reporters following an address in Sydney.
Any meeting would take at least a month to organize, he added.
REFINERY FIRES A fire broke out late Wednesday at Exxon Mobil Corp's
refining and chemical complex in Baytown, Texas, the largest operating U.S. refinery.
According to sources familiar with refinery operations, the fire broke out at the diesel hydrotreating unit, which uses hydrogen to remove sulfur from motor fuel at the 560,000-barrel per day (bpd) refinery.
The smaller, 130,000-bpd, Saratov refinery in Russia also caught fire on Thursday.
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(Editing by Marguerita Choy and Alden Bentley)
Keywords: MARKETS OIL/