From Fox News online:

President Obama added his condemnation in an interview that aired earlier Thursday, urging Jones to "listen to those better angels" and call off the protest. He called the plan a "stunt" and a "recruitment bonanza for Al Qaeda," warning that it could lead to "serious violence" in Pakistan and Afghanistan.

"I just hope he understands that what he's proposing to do is completely contrary to our values," Obama said in the ABC interview. "I just want him to understand that this stunt that he is talking about pulling could greatly endanger our young men and women in uniform who are in Iraq, who are in Afghanistan."

FWIW, at the moment Jones says he has cancelled the burning project because the imam has cancelled the "Ground Zero" project in its planned location.

The imam says he did not promise any such thing, only that he is available to talk.