Smoke from chemical reaction causes 17,000 people to evacuate CNN 0 24 10.01 06:28 https://www.youtube.com/watch?v=gBpCS-Oz8vk + 2 https://www.youtube.com/feeds/videos.xml?channel_id=UCupvZG-5ko_eiXAup… + 2 Smoke from chemical reaction causes 17,000 people to evacuate