The video was not taken on January 1st 2009. It was not taken in a civilian market, and it was not the result of an IDF air strike.
This video is from September 23rd 2005, and was taken in the Jabalya refugee camp in the northern Gaza Strip. A Hamas pick-up truck carrying Qassam rockets detonated by mistake during a Hamas rally, leaving at least 15 killed and dozens more injured.