Update: 10:30 p.m.:
Enfield Police Chief Carl Sferrazza has confirmed that the man involved in the standoff tonight on Circle Drive was Denis Boucher, a state corrections officer.
Update, 9:15 p.m.:
The unidentified man, who is an employee of the state Department of Correction, arrived home late this afternoon and appeared to be intoxicated, according to Enfield Police Chief Carl Sferrazza. The man immediately went to a closet in the home and retrieved a rifle, the chief said.
The man’s wife was home at the time and left the residence and called 911, the chief said.
After police arrived at the house they heard several gunshots inside the residence, the chief said. The man was alone in the house, Sferrazza said.
Earlier in the day, the man was involved in an accident in the town of Somers, the chief said.
Update, 8:50 p.m.:
Enfield Police Chief Carl Sferrazza just announced that the incident on Circle Drive is over and that the unidentified man has killed himself inside the home.
Update, 8:30 p.m.:
Police are using a bullhorn in an attempt to communicate with the unidentified man and coax him out of the residence, according to Circle Drive resident Michael Cotnoir.
Cotnoir said that the man lives in the house where he is currently located and described the man as "a friendly guy who frequently takes walks in the neighborhood with his Great Dane."
Enfield Police have placed Circle Drive in a lockdown situation due to reports of a man with a rifle barricaded inside of a home on that road Wednesday evening.
Police believe shots have been fired and are advising residents of Circle Drive to stay inside the basements of their homes.
Police forces including Connecticut State Police and the Capital Region Emergency Services Team (CREST), the area's regional SWAT team, are using as a staging area for their response to the emergency situation.
Residents are advised to stay away from Circle Drive and connecting roads Oakwood and Glenwood streets.
At about 4:15 p.m. Robin Bernal, who lives at 42 Glenwood St., said that she heard police coming down the road with their cruiser sirens on. Bernal said she has been allowed to remain in her house.
Terence Nicholson, who lives at 9 Glenwood St., said Enfield Police Chief Carl Sferrazza came to his house earlier this evening and told him to evacuate. Nicholson said the area where police know the man to be holed up is located right behind his house on Circle Drive.