A Pennsylvania couple was found dead in their home after their seven-year-old girl told a bus driver she could not wake them and went to school.
Christopher Dilley, 26, and Jessica Lally, 25, died of suspected drug overdoses, authorities said.
Three other kids – aged five, three and nine months – were also found inside the house in McKeesport.
The girl told a bus driver in route home that something was wrong with her parents and went to school.
Researchers discovered Ms Lally’s and Mr Dilley bodies on Monday.
The three children were not harmed, but taken to hospital and later placed into the guardianship of the Office of Children, Youth and Families of the Allegheny County.
Ms Lally’s sister told told NBC affiliate WPXI earlier this season she attempted to intercede over concerns of the children’s security.
“My sister was not the man she became when it came to drugs,” Courtney Lally said. “She was not the person I understood. It was like the drugs had taken over and at first we did not know it was heroin.
“She adored her kids – she did. She adored her mom, she loved me, she loved us.”
The sister of Ms Lally said she intended to attend a hearing on Wednesday to attempt to win temporary guardianship of the children.
The McKeesport School District issued a statement following the event: “Our school district took prompt action after we were notified of the worries shared by among our pupils on their route home.”
“We alarmed all appropriate officials and ensured the pupils’ security.”
Authorities told WPXI they had reacted to a suspected heroin overdose on exactly the same road hours before, underscoring the outbreak of drug overdoses in nationwide and both Allegheny County.
A year ago, there were 422 opioid-overdose deaths in Allegheny County, which contains a recent county health department report, Pittsburgh and McKeesport. found.
Across the country, more than 28,000 people died from overdoses of opioids such as heroin and prescription pain relievers in 2014, which was more than any year on record, according to the Centers of Disease Control and Prevention
Headlines were made by the national problem with drug overdose last month when Ohio authorities released a graphic photo of a couple overdosing on heroin while the woman’s four-year old son sat in the backseat.