NEW YORK, Sept. 9 (Xinhua) -- Crude prices went down Monday on profit-taking as U.S. Congress continued to debate a possible military attack against Syria while Russia urged Syria to give up its stockpile of chemical weapons.
Syrian continued to pose uncertainties to the oil market. The possibility of a military strike against the Syrian government triggered concerns over oil supplies in the Middle East, where one- third of world's crude is pumped, driving oil prices higher last week.
U.S. President Barack Obama is scheduled to address the Americans on Tuesday in an effort to gain public support for his plan to attack Syria.
The U.S. Congress was back in session Monday after summer recess, and the Senate is expected to discuss the Syria issue and may vote on it by the end of the week.
Latest poll results released Monday by CNN showed that the majority of Americans opposed military actions against Syria, even if the Congress should authorize the plan.
Russian President Vladimir Putin said Friday that Russia will help Syria in the case of an external military attack. Russia urged Syria to give up its stockpile of chemical weapons to avert a U.S.-led attack.
On the economic front, China's exports rose 7.2 percent year on year to 190.61 billion U.S. dollars in August, up 2.1 percentage points from the increase in July, according to Chinese customs figures released on Sunday. The latest figure also exceeded market expectations.
Light, sweet crude for October delivery dropped 1.01 dollars, or 0.91 percent, to settle at 109.52 dollars a barrel on the New York Mercantile Exchange.
Meanwhile, Brent crude for October delivery fell 2.4 dollars, or 2.1 percent, to close at 113.92 dollars a barrel.