Live streaming with Smartphones is a great and cheap option for providing video footage in a breaking news situation. Periscope is a mobile only application. You can only see the live stream when opening the app or by clicking on a tweet that provides a link to the stream at periscope.tv
Depending on Connectivity and Usability refresh this page regularly. Also check my Twitter Box or my Twitter Account @SdunNet for upcoming livestreams via periscope.
Bambuser is a good option if you want to embed your live stream into a page or a blog. It has not had the big hype that periscope had but in my opinion it is has the nicer app and gives you more flexibility. Here is my live window via Bambuser: