by Jocelyne Zablit Agence France-Presse LOS ANGELES, United States – Hundreds of workers at a nuclear site in the United States state of Washington were ordered to take cover Tuesday after a storage tunnel filled with contaminated material collapsed, but there was no initial indication of a radioactive leak. Employees at the sprawling Hanford Site plant, located about 170 miles (275 kilometers) southeast of Seattle, were sent an early morning alert by management telling them to […]