The U.S. Capitol was evacuated yesterday after authorities detected a possibly hazardous material in the basement of the Senate wing , Capitol Police said .
The U.S. Capitol was evacuated yesterday after authorities detected a possibly hazardous material in the basement of the Senate wing , Capitol Police said .
U.S. Capitol Police evacuated the Capitol yesterday after a sensor detected a possible biohazard in the Senate wing , but authorities later said it was a false alarm .