Two minor sisters died under mysterious circumstances in Nalla village of Sunderbani area of Rajouri district, police said on Thursday.
They said that 18-month-old Afreen Kousar and four-month-old Mahira, daughters of Mohammad Agrees of Nalla, were found dead under mysterious circumstances in their home last night.
Later, the bodies of the girls were shifted to Sunderbani Sub-District Hospital for medico-legal formalities, said police.
As per the locals, the duo was administered vaccine in a health center of the area on Wednesday after which their condition deteriorated. They believed that the girls might have died due to the vaccination.
Meanwhile, police have launched inquest proceedings under relevant sections of the law to ascertain the reasons behind the mysterious death of the duo.