1-year-old boy found unresponsive in car in Lexington, MA, dies at hospital; police investigate.

1-year-old boy found unresponsive in a car in Lexington, MA, later dies at a nearby hospital. The child was discovered in a parking lot on Massachusetts Avenue, and police are investigating the circumstances surrounding the incident. Further details have not been shared at this time. The investigation aims to determine the cause of the baby's death.