WASHINGTON CROSSING, Pa. (AP) — The family of a 2-year-old girl swept away along with another child by a flash flood that engulfed their vehicle on a Pennsylvania road is expressing gratitude at the discovery of a body believed to be hers. The body was found early Friday evening in the Delaware River about 30 miles from where Matilda Sheils was carried away. The Philadelphia medical examiner’s office plans an autopsy. Meanwhile, the search continues for Matilda’s 9-month-old brother, Conrad. The Charleston, South Carolina family was visiting relatives and friends on July 15 when their vehicle was hit by what authorities called a “wall of water.”