Latest News Wires Search and rescue efforts under way in Moore, Okla. (+video)

A monstrous tornado barreled Moore, Okla., Monday, demolishing an elementary school and a hundreds of homes. At least 24 people were killed. President Obama declared a major disaster and ordered federal aid to supplement state and local recovery efforts.

Courtesy of Sgt. 1st Class Kendall James/Oklahoma National Guard/Reuters

Search and rescue crews worked through the night after a monstrous tornado barreled through the Oklahoma City suburbs, demolishing an elementary school and reducing homes to piles of splintered wood. At least 24 people were killed, including at least seven children, according to the medical examiner. Authorities initially said as many as 51 people were dead, including 20 children.