Residents in Garden Grove, California, have been forced to evacuate as a chemical tank at an aerospace facility teeters on the edge of either exploding or uncontrollably leaking methyl methacrylate. ––– Subscribe to ABC News on YouTube: https://abcnews.visitlink.me/59aJ1G ABC News is your daily source of breaking national and world news, exclusive interviews and 24/7 live streaming coverage. https://abcnews.com Download the ABC News app for the latest headlines and alerts: https://abcnews.com/