The Chennai and Delhi homes of former Union minister P Chidambaram was raided by a team of Enforcement Directorate today. The raid - which took place when both Mr Chidambaram and his son Karti were out of town -- was in connection with the money laundering investigation in the Aircel-Maxis money laundering case, reported news agency PTI. Mr Chidambaram has questioned the agency's jurisdiction to investigate the matter.