Death toll in Mexico earthquake rises to 248

MEXICO CITY — A powerful earthquake shook central Mexico on Tuesday, collapsing buildings in plumes of dust and killing 248 people. Thousands fled into the streets in panic, and many stayed to help rescue those trapped.Late Tuesday, Mexico's president said 25 bodies were recovered from a collapsed school in the capital.Dozens of buildings tumbled into mounds of rubble or were severely damaged in densely populated parts of Mexico City and nearby states. Mayor Miguel Angel Mancera said build