Four people were found dead inside a north St. Louis County home overnight.

Just before midnight, a woman and three men were found with apparent gunshot wounds inside a home in the 10400 block of Balmoral Drive in Glasgow Village. St. Louis County Police officials said they went to the home after they were contacted by family members to conduct a welfare check.

"It's just as grisly as you'd probably imagine it to be," said St. Louis County Police Department Officer Benjamin Granda. "This is a terrible incident and we're gonna have to get to the bottom of it. So, If anybody has any information about this please call our department immediately."

The incident is under investigation by the St. Louis County Police Department Crimes Against Persons Unit. Police told News 4 all of the victims were last seen or heard from Wednesday night.

The identities of the deceased individuals have not been released.