Brent and West Texas Intermediate crudes advanced after Ukraine said its forces attacked and partially destroyed a convoy entering the country from Russia . Ukrainian troops engaged the vehicles that had arrived overnight through a rebel-held section of the border, Andriy Lysenko, a spokesman for the country’s military, told reporters in Kiev today. Brent dropped to the lowest level since June 2013 yesterday while WTI settled at a six-month low amid signs of weaker demand and ample global oil supplies. “When there’s the prospect of ground war in Europe you don’t want to be short oil,” Bill O’Grady, chief market strategist at Confluence Investment Management in St. Louis , which oversees $2.6 billion, said by phone. “Prices have already fallen a lot and the market was ready for a rebound.” Brent for October settlement climbed $1.46, or 1.4 percent, to $103.53 a barrel on the London-based ICE Futures Europe […]