India, July 11 -- Oil prices struggled for direction on Friday after a 2 percent drop on Thursday, driven by tariff uncertainty, concerns over slower Chinese demand and OPEC's reduced oil demand forecast.

Brent crude futures for September delivery were little changed at $8.63 a barrel in European trade, while WTI crude futures for August delivery were up 0.1 percent at $66.61.

A modest uptick in the dollar index kept oil prices under pressure after U.S. President Donald Trump announced a 35 percent tariff on Canadian goods, effective August 1, 2025, and warned of a blanket tariff of 15-20 percent on most trading partners that haven't got letters yet.

Trump also said he would make an announcement regarding Russia, raising the prospect of ...