The bodies of two sisters, aged four and six years, were found near their home at Chhingchhip village in Serchhip district of Mizoram last night, police said.
Police suspected that they were raped and then killed when the parents were working in the jhum and the elder brother was out with his friends.
Forensic experts rushed to the village and investigation was on to nab the culprit.
The police rounded up five people, of which one suspect, an 18-year-old boy was brought to Aizawl to escape the wrath of the villagers, the police said.
