It seems that a few days ago, Instagram is testing the functionality of transmitting live video with the recent feature "stories" that allows users to create slide shows of your photos automatically disappear after 24 hours.
Supposedly, a user discovered a new button to broadcast live while running the beta version of Instagram Android. The live video appear in the stories of users and distinguished from other publications with a bold banner that sits on top of the feed of stories, as shown below.
The feature is similar to Facebook LIVE, Meerkat and periscope, so that Instagram would be adding to the fashion of the live video transmissions from social networks.
Users can initiate a live stream Instagram pressing a red button with the words "Go Urges" for others to see what is being transmitted in a given time, as is achieved see in the picture below: