According to the article the aftermath which of these took place in New Orleans

The answer is Rioting and Looting

Explanation:

The aftermath of Typhoon Katrina Hurricane in New Orleans was portrayed by broad revealing of plundering, viciousness, shooting against rescuers, murder and assault. While some criminal demonstrations happened, for example, the exhausting of a whole Walmart, numerous reports were additionally misrepresented, expanded, or just created.

There were reports of sharpshooters attacking salvage helicopters; these were false. Reports of packs wandering the city shooting cops and survivors were additionally false, as just a single police officer was shot in the consequence of Katrina and no prosecutions were presented against the alleged gangsters.

Many detailed cases of "looting" were indeed abandoned survivors searching fundamental supplies, for example, food, water, dress, and shelter.