People buy vegetables in a supermarket in Minsk, June 3, 2011. Belarus has halted the transit of vegetables from the European Union to Russia, the Healthcare Ministry said on Friday. Warning starkly of 'poison', Prime Minister Vladimir Putin said on Friday that Russia would not consider lifting a ban on EU vegetable imports until it gets word on the source of a deadly E.coli outbreak. REUTERS/Vasily Fedosenko (BELARUS - Tags: HEALTH POLITICS)