right now we are going to my colleague eamon mohyeldin. eamon. >> reporter: deborah, thank you very much for that. we are continuing to follow breaking news from las vegas at this hour. multiple people on scene. one suspects is down after witnesses describing a mass shooting incident. they say 23 people were in critical condition. one suspect is down. anymore shooters at this time. witnesses have reported hearing gunfire from at test two shoot tajs. they want want to reef there are anymore shooters at this time. jason aldean was finishing his. there are reports that university medical center is at capacity and oofg again err zero police. the associated press reports that authorities have shut down part of the vegas strip and interstate 15. we have two reporters on the scene including steve at street level. tell us what they are seeing and juxtapose that with what the president is saying. >> well, the tenor of where we are deeps to koala lum pier. obviously helicopters high above me. you can see back to the scene. they've completely blocked