The sheer scale of the destruction in Haiti is only now emerging and will be a major challenge for aid groups who are acting as quickly as possible to help the quake victims.

An Air China flight landed in the capital Port-au-Prince, ferrying a Chinese search-and-rescue team, medical personnel and tons of food and medicine.

Three French planes also brought in supplies and a mobile hospital, Brazilian relief workers offerred 15 tonnes of food and the United States is pledging $100m for aid relief in the wake of Tuesday's 7.0 magnitude earthquake.

Al Jazeera's Zeina Awad reports on the global efforts to help the country.