A 41-year-old man allegedly killed his two children and then himself on the morning of May 5 in Malkapur village, Kondapur mandal, Sangareddy district. The man identified as Subhash, a Rural Medical Practitioner by profession, was found dead alongside his children, Marin,13 and Aradhya,10. Police suspect that the man, distressed over his wife deserting him, may have taken the extreme step.