Amid the alleged gang-rape and murder of a Dalit girl in North Dinajpur district's Kaliagunj, SP North Dinajpur Sana Akhtar on Saturday said that the victim's post-mortem report given by doctors reveals that death was due to a poisonous substance. This comes after a Dalit girl was allegedly gang-raped and murdered in the North Dinajpur district of West Bengal. On Thursday, the locals found the body of the minor, who had gone missing. On Friday, locals staged a protest demanding justice for her.