remains found. they have not been identified. it looks like a war zone if you see from above. busy with shoppers. méxico has a history of fireworks, they are popular not only for mexican independence day but for christmas as well. seven minors killed in all, the government of méxico state which covers this area including méxico city, has vowed who or what is responsible for this deadly explosion. heather, you can tell this really has a lot of people very shaken as you might imagine in the area and you look at the pictures and it s just remarkable. the people were actually able to walk out of that market and survive the explosions. heather: this isn t the first time that this has happened at this factory, so the question would be why hasn t it been shut down? yeah, you know, that s another thing. safety in méxico fireworks is not two things that go together. by our account they have been four other locations in méxico in the last 240 20 years