This has been making the rounds this week. It's a Youtube video from a cell phone inside a Detroit EMS unit, broken down as gun shots are heard from every direction.
http://www.myfoxdetroit.com/dpp/news/local/detroit-ems-rig-stranded-as-gunfire-rings-in-the-new-year-20120103-ms
http://www.myfoxdetroit.com/dpp/news/local/detroit-ems-rig-stranded-as-gunfire-rings-in-the-new-year-20120103-ms