An explosion at a home has closed Amherst Street in Wethersfield, according to police.
Police said they are on the scene along with the fire department.
According to sources, a water heater in the home was the source of the explosion.
Police said that four people were sent to the hospital, but their injuries are non-life threatening.
The back of the home has severe damage. The explosion was big enough to blow out the back window frame and all, but incredibly relatives of the victims feel fortunate tonight.
"I think we're very lucky, I think the outcome could have been much worse than what it actually was," said Paul Gulino, relative of the victims.
Gulino's brother and sister-in-law own the home on Amherst Street. He said Carmelo and Santina Bongiovanni were home with two of their children when the large explosion rocked the home.
"I just received a phone call saying that there was an explosion at the house and if I could get over here," Gulino said.
All four people inside the home were taken to the hospital. Gulino said 22-year-old Luciana suffered most serious injuries.
"Last I knew the oldest daughter had a bunch of cuts, possibly a broken nose," Gulino said.
Neighbor Betty White said the sound of the blast was not all that loud across the streett at her house, so she was stunned to look out the window and see emergency responders all over her street.
"We heard a bang the way a car might go over a pot hole," White explained. "The stree from five to six houses down was full of emergency vehicles."
The fire marshal is investigating how the explosion happened.
Gulino said despite all the damage, the family knows what's really important.
"All we care about is the fact that they're all non-life threatening, everybody will heal and the house can always be replaced no big deal," Gulino said.
Copyright 2015 WFSB (Meredith Corporation). All rights reserved.