Although Lebanon's capital Beirut is quiet after a day of violence, some warn it could just be the calm before the storm. Thursday began with Shia groups demanding the removal of the judge investigating last year's Beirut port blast. The army initially said snipers fired at the demonstrators. It's since blamed a dispute between protesters and another group. Could this trigger more unrest? Presenter: Imran Khan Guests: Sami Nader - Director of the Levant Institute for Strategic Affairs. Rami Khouri - Director of Global Engagement at the American University of Beirut. Jessica Obeid - Activist and independent energy policy consultant. - Subscribe to our channel: aje.io/AJSubscribe - Follow us on Twitter: twitter.com/AJEnglish - Find us on Facebook: www.facebook.com/aljazeera - Check our website: www.aljazeera.com/ #AlJazeeraEnglish #InsideStory #Lebanon