Oil prices eased slightly on Monday as Opec’s plans to increase oil output once again outweighed hopes of a trade deal framework between the US and China and renewed US sanctions on Russia. Brent crude futures were down about 26 cents, or nearly 0.4 per cent, at $65.68 a barrel at 11:30am ET (1538 GMT). US West Texas Intermediate crude futures were 9 cents or 0.2pc lower at $61.41. Both contrac