Report: Design Failure Caused Gas Pipeline Explosion, FireState investigators say design failures of a natural gas pipeline caused a massive explosion on Saint Patrick's Day last year in southwest Minneapolis.
Ruptured Gas Pipeline To Be Removed For TestingCenterpoint Energy crews and investigators with the Minnesota Office of Pipeline Safety (MnOPS) spent Friday surveying the pipe that ruptured into flames Friday in an attempt to remove the failed pipe segment and sent it to a laboratory for testing.

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