President Obama plans to announce Friday that all U.S. forces will be withdrawn from Iraq by the end of 2011, a senior administration official told Fox News.

The president is to speak at about 12:45 p.m. EDT after completing a secure video conference with Iraqi Prime Minister Nouri al-Maliki.

"This will allow us to say definitively that the Iraq war is over, and that the partnership between the U.S. and Iraq will be a normal one between two sovereign nations," a White House official said. "During their conversation, President Obama and PM Maliki strongly agreed that this is the best way forward for both countries."

Obama's announcement would close off the possibility of maintaining a U.S. military presence in Iraq beyond a Dec. 31 withdrawal deadline set in 2008...