A 48-year-old man today allegedly killed his wife and two children by slitting their throats before committing suicide in Chennai, police said.

Devendra Kumar allegedly slit the throat of his wife Deepthi (38), 16 year-old daughter Surbi and seven-year old Manas, before ending his life in the same manner in his residence, police said.

A suicide note, purportedly written by Kumar, was recovered from the spot but did not mention any reason for the extreme step, police said adding he had taken the blame on himself for the act.

Kumar is suspected to have suffered losses in his business.

The incident came to light when Kumar's mother, who stays nearby, visited her son's house and found the bodies lying in a pool of blood, police said.