Balloon crash passengers released from hospital

A hot air balloon hit power lines in Clinton, Mass. on Saturday night.

The passengers injured in a hot air balloon crash over the weekend in Massachusetts have been released from the hospital.

The Federal Aviation Administration says two people stayed overnight at a hospital for treatment after the balloon crashed into power lines as it was attempting to land in a residential area in Clinton. A total of four of the seven passengers suffered injuries.

Witnesses said there was a huge explosion when the balloon hit the power lines around 7:40 p.m.

The FAA said Monday it is still investigating the crash.