CBC.ca Power plant explosion under investigation Los Angeles Times The inquiry will focus on whether recently issued safety protocols were disregarded during the purging of a natural gas pipeline. Middletown, Conn. – Possible gaps in safety protocols at the Kleen Energy power plant are at the center of the … Negligence? Conn. Gas Blast Criminal Probe Begins ABC News Victims of power plant explosion identified NECN Blast Probe Looks at Gas-Line Clearing Wall Street Journal Fort Wayne Journal Gazette