* Rumor of Gaddafi seeking exit deal pulls crude off highs
* Brent premium to U.S. crude drops below $11/bbl
* Coming up: API oil inventory data Tuesday (Recasts, updates prices and market activity)
By Robert Gibbons
NEW YORK, March 7 (Reuters) - Brent crude prices turned lower after pushing back above $118 a barrel on Monday, and U.S. oil pared gains after concerns about Libya's conflict and the threat of wider supply disruptions in the Middle East lifted it to the highest level since September 2008.
Britain and France said they were seeking U.N. authority for a no-fly zone over Libya, as Muammar Gaddafi's warplanes counter-attacked rebels and aid officials said a million people were in need. [
]Trading was volatile, with investors reacting both to attacks by Gaddafi supporters to retake an oil hub from rebels and then to rumors that Gaddafi was seeking a deal with rebels to secure a safe exit from the country.
Profit taking in the trade on the spread between Brent and its U.S. counterpart also was cited by traders and brokers. The spread <CL-LCO1=R> was reduced more than $1 to under $11 a barrel.
Brent crude futures for April delivery <LCOc1> fell 32 cents to $115.65 a barrel at 2:10 p.m. EST (1910 GMT), pulling back from their earlier $118.50 peak.
U.S. crude futures for April delivery <CLc1> was $1 higher at $105.42 a barrel, off an intraday high of $106.95.
That intraday peak was U.S. crude's highest price since Sept. 26, 2008, when front-month crude reached $108.11.
Brent's premium to its U.S. counterpart <CL-LCO1=R> fell 90 cents to $10.42, having narrowed from a record above $17 hit March 1, according to Reuters data.
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Reuters Insider: John Kozey says crude set for pullback
http://link.reuters.com/dud48r
FACTBOX on emergency oil stockpiles: [
]Graphics on U.S. strategic oil reserve, U.S. and other IEA
nations reserves: http://link.reuters.com/cah48r
Graphics showing:
Middle East unrest http://r.reuters.com/nym77r
Oil price shocks http://r.reuters.com/qes28r
Countries most reliant on oil http://r.reuters.com/dux28r
OECD commercial oil stocks http://link.reuters.com/qyg48r
Brent and WTI open interest http://r.reuters.com/cag48r
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LIBYAN FIGHTING
Government forces seeking to dislodge rebels from Libya's strategically important coast struck at the Ras Lanuf oil town.
OPEC-member Libya usually produces about 1.6 million barrels per day and its output has been cut by as much as 1 million bpd, according to the International Energy Agency.
A leading member of Libya's ruling establishment appealed to rebel leaders for dialogue in the clearest sign yet Gaddafi may be ready to compromise with opponents challenging his rule. [
]The offer was dismissed by rebel leaders.
With Libya still in turmoil, Saudi Arabia's security forces detained at least 22 minority Shi'ites who protested last week against discrimination, activists said on Sunday, as the kingdom tried to keep the wave of Arab unrest outside its borders. [
] (Additional reporting by Alex Lawler and Karolin Schaps in London and Alejandro Barbajosa in Singapore; Editing by Walter Bagley)