CHICAGO, March 3 One Peoples Gas company worker
was killed and another injured on Wednesday in a mishap
involving a pipe they were pressure-testing, Chicago
The workers were pressure-testing a 20-inch main pipeline
with compressed air inside a reinforced hole near the Willis
Tower in downtown Chicago when the incident occurred, a Peoples
Gas spokeswoman said.
It was not immediately clear what happened, but no gas was
involved and service was not interrupted, the spokeswoman
A passerby told local radio he heard a "boom and then a
whoosh" followed by a cloud of dust emerging from the hole.
Another passerby climbed in to help before firefighters arrived
to remove the workers.
Peoples Gas, a regulated natural gas utility serving
approximately 840,000 customers in Chicago, is a unit of
Integrys Energy Group TEG.N.
(Reporting by Andrew Stern; Editing by David Gregorio)