A three-year-old boy has died after his foster carer accidentally left him in her SUV for hours in 92F heat after thinking she had dropped him off at day care in South Carolina. Police officers arrived at the scene in Spartanburg on Wednesday at around 5.45pm and were told by the child's guardian that she had mistakenly left him inside her vehicle. The foster carer told cops she thought she had dropped the child off at day care with her other children on Wednesday morning, Spartanburg Police said in a statement. A three-year-old boy has died after his foster carer accidentally left him in her SUV for hours in 92F heat after thinking she had dropped him off at day care in South Carolina But she claimed she did not realize the three-year-old did not go inside with the other children until hours later. The boy had been trapped inside when temperatures reached 92F, reports ABC News. The guardian found the boy sitting in the back of her SUV and called the police, but when officers and medics arrived at 225 North Lanford Road they were unable to revive the child, police said. Preliminary autopsy results suggest the boy's death was related to heat exhaustion, according to the Spartanburg County Coroner Rusty Clevenger. The name of the child, who is in foster care, has not been released because the Coroner's office is trying to contact the boy's biological mother. The Department of Social Services said in a statement: 'The Department of Social Services is aware of the child fatality in Spartanburg County and is conducting our own investigation as well as coordinating with local law enforcement. 'DSS Staff mourns the tragic loss of life of this child along with the child’s family.' The guardian found the boy sitting in the back of her SUV and called the police, but when officers and medics arrived at 225 North Lanford Road they were unable to revive the child, police said The boy is the seventh child to die in a hot car in the US this year alone, according to charity Kids and Cars. In 2018, a record 54 children died in hot cars, while 53 died in 2019 and 26 children died last year, according to their data. Last month, a toddler died in California after her mother left her alone in a car for three hours in 100 degree weather to tend to her marijuana farm. The Visalia Police Department said they found three-year-old Jessica Campos not breathing after being left alone in a car for three hours, with the vehicle's interior temperature rocketing to 100F. Her mother Eustajia Mojica Dominguez, 28, has since been arrested over the killing, and is said to have been tending to her huge cannabis farm while her daughter suffocated in the searing heat. Police say the car interior was have been so scorching that Jessica would not have been able to breathe. Jessica's mother, 28-year-old Eustajia Mojica Dominguez, (pictured) was tending to a marijuana grow and processing pot while the toddler was in the scorching car, it is alleged Justin Ross Harris is currently serving a life sentence for the murder of his son, Cooper, after he left him in a hot car for seven hours. His attorneys are arguing for a retrial arguing that his murder trial had been improperly joined with one in which he solicited pictures from underage girls In May, a Georgia man convicted of murder for intentionally leaving his one-year-old son in a hot car so he could meet up with an underage girl was denied a new trial. Justin Ross Harris, 40, was sentenced to life in prison without parole in 2016 after his son Cooper died after spending seven hours in a hot car. Cobb County Superior Court Judge Mary Staley Clark, who presided over the original trial, denied Harris' bid for a new trial in May. Harris worked as a software developer for Home Depot, and on June 18, 2014 at 9.25 am, he left his son in the parking lot of the Vinings, Georgia office where he worked. At one point Harris returned to his car early in the afternoon to drop off light bulbs he had just purchased, but it was not clear whether he realized his son was still in the car at that time. It was only after Harris got out of work at 4.16pm that he said he realized Cooper was still in the car and attempted to perform CPR, although he never called 911, police said. He claimed he had forgotten to drop his son off at daycare that morning. Temperatures reached 92 degrees that day, and experts in the trial argued that it likely rose to 125 degrees within the car. Harris with his son, Cooper. Harris' attorneys vowed to take their motion to the Georgia State Supreme Court Harris was convicted on three counts of murder for his role in his son's death. He maintains he believe he dropped Cooper off at daycare that morning In 2019, two infants tragically died just an hour apart after they were left in hot cars in sweltering heat in separate states. A baby girl in New Jersey died after she was left in a hot minivan parked at a local train station for more than eight hours in blistering temperatures. The child, 22-month-old Milliani Robertson-Lawrence, was found unresponsive sitting on her car seat with the passenger window broken in the parking lot of a PATCO Hi-Speedline commuter rail station in Lindenwold. A 22-month-old baby girl named Milliani Robertson-Lawrence died after she was found unresponsive in a hot car in a New Jersey train station parking lot in 2019 She was found unresponsive sitting on her car seat with the passenger window broken in the parking lot of a PATCO Hi-Speedline commuter rail station in Lindenwold and pronounced dead About 900 miles away in Booneville, Mississippi a 21-month-old boy was found dead in a hot car in a parking lot in blistering hot temperatures. Police found the boy in the rural parking lot that is shared by Mighty Cubs Daycare and Field of Dreams adult daycare, though 'neither business had anything to do with the events that led to the death of the child', Booneville police. Authorities said the child, described as a white male, had been left in the car at a workplace in Boonville for several hours during the day before arriving to the daycare parking lot around 5pm. 'Hot car deaths continue to take place because nobody believes this could happen to them,' Janette Fennell, president of Kids and Car Safety, told ABC News. 'The unfortunate reality is that this has happened to even the most loving, responsible, and attentive parents. 'Factors such as fatigue, stress, or a sudden change in routine can contribute to parents unknowingly leaving a child alone in a car.' All rights reserved for this news site (dailymail) and under his responsibility