Residents sift through the remnants of their homes and parents embrace children outside a demolished elementary school. Emergency workers tend to the wounded.

By Carey Gillam and Ian Simpson MOORE, Oklahoma (Reuters) - Rescuers went building to building in search of victims and thousands of survivors were homeless on Tuesday, a day after a massive tornado tore through a suburb of Oklahoma City, wiping out whole blocks of homes and killing at least 24 people. Nine children were among the dead, including seven who died at Plaza Towers Elementary School, which took a direct hit in the deadliest tornado to hit the United States in two years. ...