Norwegian doctors Eric Fosse (C) and his colleague Mads Gilbert (L) received bunch of flowers as they arrive at Oslo Airport Gardermoen, on January 12, 2009, from Gaza, where they had been working in a hospitaL. Israel has sealed off Gaza from all but limited humanitarian aid since its offensive against the Islamist Hamas -- which is sworn to the destruction of the Jewish state -- was launched on December 27. More than 900 Palestinians and 13 Israelis have since been killed. AFP PHOTO Erlend Aas SCANPIX NORWAY **NORWAY OUT** (Photo credit should read AAS, ERLEND/AFP/Getty Images)