Oil prices climbed in the international market on Monday, buoyed up by supply concerns from Saudi Arabia and heightened tensions in the Middle East. Benchmark Brent crude futures LCOc1 jumped 0.9%, to $64.84 a barrel. US WTI crude futures CLc1 were traded 0.9% higher, at $58.61 a barrel. Buyers and traders have remained doubtful, despite Saudi Arabia’s continued reassurance of oil supply to the global market.