Oil fell for a second session as the market weighed a looming glut and the possibility for an end to hostilities in Gaza, which could siphon some of the war premium out of prices.
Brent dropped below $68 a barrel after tumbling 3.1% on Monday, the biggest decline in nearly two months. West Texas Intermediate traded around $63. The OPEC+ alliance meets on Sunday and is likely to agree on raising output in November, though at a modest rate similar to that for October.