Chile's economy is one of the strongest in Latin America, but Saturday's earthquake has revealed the country's social fault lines, where the poorest residents feel insecure and marginalised.

In Concepcion, the country's second largest city and the closest to the epicentre, many people are still waiting for aid to be delivered.

Al Jazeera's Lucia Newman finds out why some have resorted to ransacking supermarkets. (Mar 4, 2010)