[JURIST] The investigator leading the UN inquiry [JURIST report] into the assassination of Lebanon's former Prime Minister Rafik Hariri [official website] said Thursday that there may be more suspects involved in the assassination, in addition to the five pro-Syrian men already arrested [JURIST report; UN News report]. On Tuesday, the investigation took a dramatic turn with the arrests of three former heads of Lebanese security agencies who allegedly were involved in orchestrating the car bombing that killed Hariri and 20 others. In addition to the arrests, a former legislator turned himself in to authorities but was released yesterday [JURIST report]. Head of the Future Bloc in Parliament MP Saad Rafic Hariri welcomed [press release] the investigation's recent arrests and said they were a "significant step towards serving justice." AP has more.

2:45 PM ET – A Lebanese prosecutor has announced the indictments of four pro-Syrian generals in the Hariri murder investigation. The men, who were among those detained earlier this week, have been charged with murder, attempted murder and carrying out a terrorist act. Reuters has more.