Obama promises aid to Oklahoma tornado victims

At least 24 people have reported dead.

MOORE, OK - MAY 20:  (L - R) Yvonne Barragar, Joe Marshall and Barbara Garcia sit in front of Barragar's destroyed house after a powerful tornado ripped through the area on May 20, 2013 in Moore, Oklahoma. The tornado, reported to be at least EF4 strength and two miles wide, touched down in the Oklahoma City area on Monday killing at least 51 people. (Photo by Brett Deering/Getty Images)