A former BJP corporator and his wife on Thursday died by suicide after allegedly killing their two children - who were suffering from muscular dystrophy - in Vidisha district of Madhya Pradesh on Thursday evening, said the police. They were identified as Sanjeev Mishra (45), his wife Neelam (42), and their sons Anmol (13) and Sarthak (7), added the police. According to the police, the couple was stressed due to the children's medical condition.