With U.S. help, Egypt is erecting a massive iron wall to prevent smugglers from entering Gaza. The tunnel network is used to import civilian goods and military weaponry. The decision to step up anti-smuggling efforts came after Operation Cast Lead. For more on recent events in the Palestinian territories, Daljit Dhaliwal interviews Ghassan Shabaneh.

Thousands of displaced people continue to stream across the Somali border into a large refugee camp in northern Kenya. Spencer Platt of Getty Images recently returned from the Dadaab refugee complex and shares his impressions.

Sudan has agreed to allow aid agencies to return to the violence-ridden Darfur region. However, the 13 aid agencies that were expelled in March will not be allowed back. A Worldfocus contributing blogger describes the predicament of aid groups and criticizes the arrangement.

The Sri Lankan government's offensive against the Tamil Tigers may be close to an end, as the primary rebel base has been captured -- but both the rebels and the government face questions about the humanitarian consequences of their fighting.

Andrew Whitley of the UNRWA office for Palestine refugees discusses the current humanitarian situation in Gaza and the U.N. compound that was struck by Israeli shells.