NTSB investigating blast that killed 2 at Minneapolis school
August 4, 2017
MINNEAPOLIS (AP) — Investigators from the National Transportation Safety Board arrived at a Minneapolis school on Thursday to begin the painstaking task of determining what caused an apparent natural gas explosion that killed two people and injured at least nine others, including one critically.
The explosion at Minnehaha Academy caused part of a school building to collapse Wednesday. The bodies of longtime school receptionist Ruth Berg and custodian John Carlson were found in the rubble.
City fire officials said the collapse was caused by a natural gas explosion in a utility area. Contra...