Radiation News Roundup for April 22, 2013 A TVA spokesperson confirmed that a security officer patrolling TVA Watts Bar Nuclear Plant in Spring City was involved in a shootout with a suspect Sunday at about 2:00 a.m. wbir.com Today in a NRC event report, we find out that failures in the emergency cooling system resulted in the last ditch cooling attempt of directly venting the radioactive drywell to the atmosphere at the LaSalle nuclear plant near Chicago. pissinontheroses.blogspot.com A fire at the U.K. Hartlepool nuclear power plant triggered a major response by emergency services after smoke was seen billowing into the air. guardian.co.uk A thesis which assesses the risks of internal radiation exposure within Fukushima Prefecture following the explosions at the Fukushima Daiichi nuclear power plant, suggests that the effects of internal radiation fall far below that recorded after Chernobyl. japantoday.com