"It's tough, a lot of us are parents ourselves. I know some of the responders on scene last night have children, some have children the same age as this little boy and it's tough.
"We see a lot of horrible things but seeing a child in that situation is the worst."
No charges have been filed, but authorities are investigating the incident.
In 2018, more than 70 children died after accidentally shooting themselves with a loaded gun found in their own home.
At least 73 juveniles under age 12 were killed in 2018, roughly the same pace as the previous five years.
So far in 2020, there have been unintentional shootings by over 220 children. This has resulted in 92 deaths and 135 injuries.
Around 77 per cent of accidental gun deaths happen in the home.