NEW : ` ` This is the saddest day in our nation 's history , '' the new president says . John Evans # ##way died a few hours after becoming ill , his chief of staff said . Mahama said Tuesday that Mills was a `` prince of peace '' who `` brought a distinctive insight into Ghanaian politics . '' The president was a former law professor and tax expert . The president died at a military hospital , the chief says .
NEW : ` ` This is the saddest day in our nation 's history , '' the new president says . John Evans # ##way died a few hours after becoming ill , his chief of staff said . The president was a former law professor and tax expert . The president died at a military hospital , the chief says .