Bombs tore through two Egyptian churches in different cities, killing at least 37 people and wounding around 100, reports say. In the first attack, a bomb exploded at Saint George church in the Nile Delta city of Tanta, killing at least 26 people and wounding over 70, AP quoted officials as saying. Later, an explosion hit Saint Mark's Cathedral in the coastal city of Alexandria, the historic seat of Christendom in Egypt, killing at least 11 people and wounding 35, police and hospital reports said.