A family of ten was attacked by a swarm of bees while visiting Sinhagad Fort in Khamgaon Maval village, official said.
The family members were visiting Bhavani temple which is on the western side of the fort when the incident took place.
The severity of the attack resulted in all family members sustaining serious injuries, requiring immediate treatment at a private hospital in Kirkatwadi.
"All the injured members have been rushed to a hospital in the Sinhgad Road area and are undergoing treatment," said a senior district official.
Ayush Prasad, Chief Executive Officer of Pune Zilla Parishad, took swift action by investigating the matter and providing information to the police administration.
He also made arrangements to transfer the injured patients to other hospitals if required.
The incident has raised concerns about visitor safety at Sinhagad Fort, prompting local authorities to ensure necessary measures are in place to prevent such incidents in the future.