New Delhi, May 29 -- Dhanendra Kumar, former bureaucrat and the first chairman of the Competition Commission of India (CCI), died after a fire, suspected to have been triggered by a blast in an air-conditioning unit, ripped through his residence in Delhi's Hauz Khas.

His son was injured in the incident and is undergoing treatment.

Kumar (80), a 1968-batch IAS officer of the Haryana cadre, also represented India at the World Bank as an Executive Director.

According to Delhi Fire Services officials, a call regarding the blaze at a house in Hauz Khas Enclave was received at 11.24 pm on Wednesday, following which two fire tenders, including a water bowser, were rushed to the spot.

The fire, which was brought under control around 12.20 am,...