The Enforcement Directorate on Thursday grilled Reliance Group chairman Anil Ambani for more than nine hours during the second round of questioning in connection with an alleged bank fraud-linked money laundering case.

Reliance Group chairman Anil Ambani on Thursday appeared before the Delhi office of the Enforcement Directorate (ED) in connection with a money laundering case, a day after his Mumbai house worth Rs 3,716 crore was attached by the agency.