A 40-year-old man was found hanging while his wife and two children were also found dead at their house in Ujjain city in Madhya Pradesh on Thursday, police said.

Mohan Rathore, the man, is suspected to have poisoned his wife Mamta (35), son Lucky (12) and daughter Kanak (6) before ending his own life on the intervening night of Wednesday and Thursday, said Jiwaji Ganj area City Superintendent of Police (CSP) Sumit Agrawal.