Condo Explodes in Mass., 8 Hurt

Last updated 4:08 p.m. ET.

Police say at least eight people were hurt and a worker pulled from the rubble after an explosion at a new condominium development in Norfolk, Mass.

Police said Friday that three people were taken away in MedFlight helicopters after the explosion and fire at The Village at River's Edge around 12:30 p.m. Friday.

Authorities told CBS station WBZ-TV a total of eight people were hurt. Two of them are firefighters.

A neighbor said someone was living in one side of the duplex but that the other side was under construction. Another neighbor said a woman who lived in the finished side escaped unhurt.

Investigators aren't sure what caused the explosion.