CLINTON, Md. (AP) — The Latest on the slayings of three children in a home outside Washington, D.C. (all times local):

3:15 p.m.

Police say no arrest has been made in the slayings of three girls under the age of 10 who were found in a home in Clinton, a Maryland suburb of Washington, D.C.

Prince George's County Deputy Chief Sammy Patel said at a news conference Friday afternoon that investigators believe the crimes were confined to the home where the girls' bodies were found Friday morning.

Patel says police were called there about 7:35 a.m. Uniformed officers were met by relatives, who let them inside. Paramedics were called, but all three girls were pronounced dead. All three had trauma to their bodies.

Police spokeswoman Jennifer Donelan says investigators can't say yet how, or even if, the three girls are related.

Patel says police are interviewing family members.

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12:45 p.m.

Police said Friday they are determined to make an arrest in the killings of three children in a home outside Washington, D.C.

An adult family member found the dead children — all with trauma to their bodies — inside the home in Clinton, and no suspects are in custody, said Jennifer Donelan, a spokeswoman for the Prince George's County Police Department.

"We are now in the midst of a major investigation into what happened to these children, who killed them," Donelan said. She called it "one of the most difficult scenes" that the department's officers have encountered, and said the department will provide counseling services to responding officers.

Donelan said she could not provide information about the ages of the children and whether they are related to one another.

The police department tweeted that it is committed to "make arrest & determine motive."