The Enforcement Directorate (ED) questioned Anil Ambani for more than nine hours on Thursday during the second round of interrogation linked to an alleged bank fraud and money laundering investigation involving his group company Reliance Communications (RCOM). Officials said he has been summoned again on Friday for questioning in a separate case related to an alleged loan fraud against Yes Bank. The 66-year-old industralist reached the ED office in central Delhi at around 10:30 am and left close to 8:20 pm. According to officials, the agency has recorded his statement under provisions of the Prevention of Money Laundering Act.