 The leading Islamist party in Tunisia, Ennahda, said its secretary-general had been detained by police. There has been a recent wave of arrests targeting political opponents of the hardline president, Kai Saeed. North Korea's leader Kim Jong-un has sacked or demoted several senior officials for mishandling a major development project. State media say Mr Kim blamed them for causing financial losses during efforts to redevelop the town of Samjiyun.