Tunnel holding radioactive waste partially collapses in Washington state

Emergency declared at Hanford nuclear reservation in state’s south-east
No one injured and officials detect no release of radiationA portion of a storage tunnel that contains rail cars full of radioactive waste collapsed Tuesday morning, forcing an emergency declaration at the Hanford nuclear reservation in south-eastern Washington state.Officials detected no release of radiation and no workers were injured, said Randy Bradbury, a spokesman for the Washington state department of ecology. C