Kolkata:
A couple poisoned their their 4 children at Rishra in West Bengal killing three, all daughters, on Saturday. An 11-year-old son is battling for his life in hospital.
On Saturday night, a relative received a call from the couple urging them to look after their children. Ever since then, the couple's mobile phone was switched off.
The relatives rushed to the couple's home and found the children poisoned. They were rushed to Walsh Hospital, where the three girls died. They were between 5 to 11 years of age.
The couple is missing after the incident.