Brent crude oil fell today in choppy trade as investors worried about violence in Greece and remained uncertain about the International Energy Agency's emergency release plan for crude stocks.
Violence worsened in Athens following the Greek Parliament's approval of an implementation bill for a €28 billion package of austerity measures required under a European Union/International Monetary Fund bailout.
Comments from European Central Bank chief Jean-Claude Trichet reinforced expectations of an interest rate hike next week.
The euro hit a fresh three-week high against the dollar helping to trigger an earlier jump in oil prices.
Brent futures for August fell 50 cents to $112.40 a barrel, at 5.14pm.
Earlier, Brent hit a week-high of $113.24.
US crude was supported by data showing factory activity in the Midwest accelerated in June and narrowed its spread versus Brent.
US crude was down 30 cents at $94.47 a barrel, with the spread narrowing to around $17.30 from $17.55 at the close yesterday.
