At least seven rare deer of Chital breed died at Bahawalpur Zoo on Saturday while the condition of 11 others was also serious, reported 24NewsHD TV channel.
The cause of the death was said to be the negligence of the administration in taking care of the rare deer.
As per the zoo administration, there were more than 30 deer in the enclosure. A team of veterinary doctors entered the enclosure after the death of seven deer and started treatment of 11 other deer to save their lives.
The medical cause of the deaths could not be ascertained, the administration said and added that an autopsy of the dead deer is currently underway. Action will be taken against those responsible for the incident.
According to reports, the cost of dead deer is said to be Rs1 million.
Earlier this month, another giraffe died at the Peshawar zoo, making it the fourth giraffe to die in the past few months.
According to the zoo deputy director, immediate treatment was provided to the animal but he could not survive.