Oil prices fell on Monday as markets opened the week cautiously following western air strikes in Syria over the weekend, and as American drilling for new production continued to rise.
The United States, France and Britain launched 105 missiles on Saturday, targeting what they said were three chemical weapons facilities in Syria in retaliation for a suspected poison gas attack in Douma on April 7.
Brent crude oil futures were at $71.87 per barrel at 0124 GMT, down 71 cents, or 1 per cent from their last close.
US West Texas Intermediate (WTI) crude futures were down 59 cents, or 0.9 per cent, at $66.80 a barrel. Read More