Big Dig Blame

Attorney General Martha Coakley says her office needs a few more days before announcing whether it will prosecute anyone for the fatal collapse of ceiling panels in the Big Dig last year.

After federal investigators this week blamed most of the project's contractors and the Massachusetts Turnpike Authority for the incident, the contractors are starting to blame one another. WBUR's Fred Thys reports.

The audio for this story will be available on WBUR's web site after 10 a.m. on Friday.