Moore, Oklahoma Tornado 2 Miles Wide Rips Through City Killing At Least 51, Including 20 Children Of Plaza Towers Elementary [PHOTOS & VIDEO]

Oklahoma National Guard soldiers and rescue workers dig through the rubble of Plaza Tower Elementary school after a devastating tornado ripped through Moore. Reuters

UPDATE: The Oklahoma tornado death toll has been revised down to 24, including seven children by the medical examiner. Spokeswoman Amy Elliot said Tuesday morning that victims were counted twice, which resulted in the previous count of 51 dead, including 20 children earlier this morning.

A giant 2-mile wide tornado ripped through the suburb of Moore, Oklahoma leaving at least 51 dead and over 240 injured. Of the 51 dead, tragically 20 are children who were killed within Plaza Towers Elementary.

Now a desperate search is underway to locate any remaining survivors, President Obama has declared Oklahoma a major disaster area and has ordered federal aid to survivors to supplement state and local aid already assisting those in need in Moore.

Plaza Towers Elementary was in the direct path of the massive tornado that devastated Moore, OK, there are still 24 students missing under debris and rubble. Two elementary schools, including Plaza Towers Elementary, homes and the local hospital were literally flattened by the 200mph winds.

The 50,000 residents of Moore, OK are devastated by the mass destruction and rising death toll due to the terrifying twister that lasted about 45-minutes.

Initial Rescue teams including members of the National Guard assisted by search dogs reported hearing cries for help beneath rubble of the leveled Plaza Towers Elementary, however the cries for help allegedly ceased about 6:30 pm last night.

Rescue crews used jackhammers and sledgehammers to tear away concrete, and chunks were being thrown to the side as the workers dug for survivors.

More advanced techniques to search for survivors were also deployed, National Guard choppers were being used across Moore overnight to detect body heat of survivors trapped under collapsed buildings and other rubble so they could direct rescuers.

Oklahoma Governor Mary Fallin released a statement, "Our hearts are broken for the parents that are wondering about the state of their children that had been in the schools that have been hit today, I know that there are families wondering where their loved ones are."

The Governor expressed her grief for the parents of the missing elementary school children, who are aged between 5 and 8. While the devastation is wide-spread, Fallin added that rescuers are "looking under every single piece of debris" for those still missing.

The devastation is truly unbelievable with homes crunched into piles of kindling and cars and truck crumpled piles of metal. A meteorologist for KFOR stated that the aftermath left by the twister is "the worst tornado damage in the history of the world."

Amy Elliott, chief administrative officer at the Oklahoma City Medical Examiner's Office, said that in the aftermath of the tornado "there was a lot of chaos." She continued that more bodies will most likely be discovered from under the debris.

KOCO-5 reported that 101 people who were trapped beneath the rubble have now been found alive and relatively well and have been rescued by crews.