Since Nepal adopted a new constitution three months ago, the landlocked nation has been gripped by a humanitarian crisis. A major reason for the disaster is an unofficial blockade imposed by the Indian government and supported by the ethnic Madhesis in the south of the country who have protested against the government and the new constitution. The protesters have set up their own blockade at the main entry points where trucks carrying fuel, medicine and other vital supplies, have been barred from entering Nepal. The heart of the Madhesi movement is in the Nepalese border town of Birgunj, which lies next to the Indian border town of Raxaul. About 70 percent of imports from India flow through this border point and many travel to India through the border to buy fuel and other supplies to sell on the black market back in Nepal.