March 28, 1979​: ​​​Three Mile Island nuclear power plant accident

The worst nuclear power plant accident in U.S. history happened 40 years ago, when a series of mishaps caused the release of radiation from a reactor at Pennsylvania’s Three Mile Island facility. Here is the original story, as reported on the CBS Evening News with Walter Cronkite. Subscribe to the CBS News Channel HERE: Watch CBSN live HERE: Follow CBS News on Instagram HERE: Like CBS News on Facebook HERE: Follow CBS News on Twitter HERE: Get the latest news and best in original reporting from CBS News delivered to your inbox. Subscribe to newsletters HERE: Get your news on the go! Download CBS News mobile apps HERE: Get new episodes of shows you love across devices the next day, stream CBSN and local news live, and watch full seasons of CBS fan favorites like Star Trek Discovery anytime, anywhere with CBS All Access. Try it free! --- CBSN is the first digital streaming news network that will allow Internet-connected consumers to watch live, anchored news coverage on their connected TV and other devices. At launch, the network is available 24/7 and makes all of the resources of CBS News available directly on digital platforms with live, anchored coverage 15 hours each weekday. CBSN. Always On.