Oil extends gains as Brexit fears ease

By Aaron Sheldrick TOKYO (Reuters) - Oil extended gains in Asian trading on Monday as a weaker dollar and easing worries over Britain's possible exit from the European Union helped support crude prices. London Brent crude for August delivery was up 48 cents at $49.65 a barrel by 0455 GMT, after settling up $1.98, or 4.2 percent, at $49.17 on Friday. "With Brexit dominating the market headlines, it might be moves in the U.S. dollar that drive the oil market at least until we get that out of the w