Chennai, Sept. 24 -- The Chennai Central Crime Branch has summoned an Assistant Commissioner and two inspectors who had earlier investigated and closed a sexual assault case involving an 84-year-old businessman, seeking an explanation for the decision to close the case, citing a lack of adequate evidence.

The summons have been issued to Assistant Commissioner Yasmin and Anti-Vice Squad Inspectors Mahesh Kumar and Rajalakshmi. The three officials are expected to appear before the Central Crime Branch for questioning on Thursday and explain the circumstances under which the earlier investigation was closed.

The development comes after the arrest of a man, who had worked as the businessman's assistant for 23 years. Police arrested him as t...