A picture of Lebanon's Hezbollah chief Hassan Nasrallah appears amid Palestinian flags during a protest marking the 60th anniversary of the "catastrophe" of the birth of Israel in downtown Cairo on May 15, 2008. Around 100 people held a demonstration in central Cairo today to commemorate the anniversary of what Arabs regard as the Nakba, or catastrophe -- the mass exodus of Palestinian refugees at the birth of the Jewish state. Portrait shows Lebanon's Hezbollah chief Hassan Nasrallah.