As FlyingRabbit mentioned, the authorities are stating there are no survivors (a colonel in the fire brigade is quoted as saying there are numerous casualties on the ground as well). From
www.folha.com.br
If that is true, with the deaths aboard the plane alone it will be the worst crash in Brazilian history.
This photo shows the drop-off at the end of the taxiway turnoff and runway above Avenida Washington Luis.
Here's an aerial view.
Very sad day in Brazilian aviation.