south korea's constitutional court on friday said it cannot require president park geun-hye to testify in her impeachment trial that enters the argument phase next week, dismissing demands by lawmakers who voted to remove her over a corruption scandal. the nine-justice court on friday confirmed the dates of some of the witness testimonies. the court said there was no way to force park to appear and that the impeachment trial can proceed without her physical presense . south korea's opposition-controled parliament voted to impeach park on dec 9 over the corruption scandal, and the court has up to six months to decide whether she should permanently step down or be reinstated. during the impeachment trial, the court wil also review lawmakers' accusations that park was responsible for media restrictions and government inaction during a 2014 ferry sinking that kiled more than 300 people, mostly teenagers on a school trip. state prosecutors have now passed the investigation to a special prosecution team.