LUCKNOW, March 31 -- A 32-year-old man on Tuesday allegedly poisoned his wife and their two minor children before dying by suicide inside a locked room in Muzaffarnagar's Civil Lines area on Tuesday morning, police said, adding that the incident was reportedly linked to a dispute regarding an Eid gift.

The bodies were discovered at around 11 am after police forced open the door of the room, which had been locked from inside. The man, identified as Irshad (32), was discovered hanging, while his wife Nureen (28), their two-year-old son Ahil, and one-month-old daughter Aksha were found lying on the floor.

Sanjay Kumar, senior superintendent of police (SSP) of Muzaffarnagar, said upon receiving information, police rushed to the spot and sen...