More than 200 international medical relief groups have sent teams to help the people of Haiti after the devastating earthquake. And delivering aid in Haiti continues to be difficult, we get an update from the BBC's Mike Wooldridge in Port-au-Prince.
The Ethiopian government has asked the international community for emergency food aid for 6.2 million people. BBC correspondent Mike Wooldridge witnessed Ethiopia's famine in the 80s. Now he's back, Marco Werman talks with him.