(CNN)Images of unrest and anxiety are filtering out of Burundi, an East African nation of 10 million people. Gunfire has echoed around the capital amid reports of a coup -- and worries that a controversy over whether the president can serve another term could morph into bloodshed on a large scale. Tens of thousands already have packed up their belongings to run for their lives. The news from Burundi is coming out in fragments, a photo here, a recording there. Here's a sampling of that information, gleaned from news outlets and social media.