The Dutch government Tuesday banned the use of khat, a leaf native to East Africa chewed for its stimulant properties mainly by the Netherlands' sizeable Somali community. "The drug khat is banned," the Dutch Immigration, Health and Justice departments said in a joint statement. Khat is grown in the Horn of Africa and has for centuries been chewed by users in Ethiopia, Kenya, Somalia and Yemen. "The problem lies especially within the Somali community, which is much larger than the Kenyan or Yemeni communities within our country," immigration department spokesman Frank Wassenaar told AFP, adding there were about 27,000 Somalis...