BAGHDAD (Agencies) -- U.S. forces must honor their commitment to Baghdad and leave Iraq by the end of the year, tribal groups from Ninawa province declared.

According to UPI, tribal leaders in the northern province of Ninawa called for the “non-extension of the presence of the U.S.,” the Voices of Iraq news agency quoted the group as saying.
Meanwhile protesters loyal to Shiite cleric Moqtata Sadr vowed Mehdi Army opposition on Friday if U.S. forces do not leave Iraq by the end of the year.
According to agencies, Friday prayers demonstrated against the U.S. presence in Iraq and announced that their opposition to U.S. extends beyond a physical presence of troops to diplomatic, logistic and cultural presences.
A source told al-Sumaria television the Sadr Front statements are supported by several Iraqi political parties.
Pentagon officials said they were weighing their options beyond 2011, though U.S. Defense Secretary Robert Gates said any extension would be up to the Iraqis.
Supporters of anti-American cleric Moqtada Sadr suggested there could be a rebel uprising if American forces stay beyond December.
The U.S. State Department this week issued a travel warning for Iraq, warning no part of the country was safe for Americans.
While a security agreement between the United States and Iraq stipulates U.S. troops be withdrawn by December 2011, the framework for the agreement remains under debate, al-Sumaria said.