Father Allegedly Shoots and Kills 16-Year-Old Twin Daughters in Apparent Murder-Suicide

Twin 16-year-old sisters and their father were shot and killed in what appears to be a murder-suicide inside their St. Charles, Illinois,home, according to severalreports.

The Associated Press reportsauthorities were called to aluxury condominium complex shortly after 5 p.m. on Friday by someone inside the homeas well as neighbors who heard gunshots from inside the home.

Deputy Chief David Kintz namedthose who died as Brittany and Tiffany Coffland, both age 16, and their father, 48-year-old Randall R. Coffland.The teens mother, Anjum Coffland, was shot and remains at Delnor Community Hospital in stable condition.

Police tell the Associated Press that they believe Randall shot his family in what appeared to be a murder-suicide.

Its kind of unnerving to realize that someone you were so close with, and could see in a day, and could be gone in a matter of hours, Ally Siebrasse, a friend of the slain sisters, who were juniors atSt. Charles East High School, told WGNTV.

Tiffany would just absolutely light up a room with her smile. Her personality. She was an amazing young girl. You could tell made everyone better just by knowing her, Siebrasse said, while Brittany, a cheerleader, was kindhearted.

Police said Anjum and Randall were married but living at separate addresses, according to AP.

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TheDaily Herald reports thatofficers responded to a report of domestic trouble Feb. 9 on the 100 block of South 5th Avenue in St. Charles.The report indicated that nothing physical happened during the previous incident, police said.

Authorities declined to release the Feb. 9 report or address who fired the shots on Friday,the outlet reports.

Oneneighbortold WGNTV said she felt something was off that night.

When Iwalked across the street Ihad heard screams, Tammy Hartje said. I looked up and Inoticed in that apartment they had the door open and Iwas thinking thats weird because it was so cold outside.

Mourners have been contributing to a memorial on a bench near the scene, laying flowers and candles throughout the weekend, according to the Daily Herald.Three wooden crosses with the names of thedeceased were placed in front of the bench.

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Tatianna Lerario, who was also on the high schools cheer squad, told the outlet there didnt seem to be any signs of trouble when she visited the Coffland family.

I guess you really dont know what happens on the inside, Lerario added. No one does.

This article was originally published on PEOPLE.com