Extended Coverage

MOORE, Okla. -- Cameras captured an emotional moment as a mother and son were reunited following Monday's massive tornado that ravaged Briarwood Elementary School in Moore, Oklahoma.

Trenda Purcell was seen weeping as she swept her son, Kamden, into her arms.

The twister, estimated to be two miles wide at one point, also destroyed Plaza Towers Elementary School.

Early Tuesday, 91 people were feared dead from the tornado -- including 20 children.

The Oklahoma state examiner's office said 20 children are among the dead.