By Gabriela Baczynska BRUSSELS (Reuters) -The EU s latest draft of new sanctions against Russia would make it more difficult than originally proposed to cut trade with third countries over busting existing restrictions, a document showed, after Berlin warned against targeting China. The EU is working on what would be its 11th round of sanctions since Russia invaded Ukraine in February last year, this time focused on cracking down on those breaking trade curbs already in place. To achieve that, the EU s executive European Commission proposed for the first time a new tool to limit trade with third countries deemed involved in bypassing sanctions after the bloc identified states in the Caucasus and central Asia as possible culprits. During a first discussion on the proposal among the 27 EU countries last week, Germany was a leading voice in warning against any possible future restrictions in trade with China. The document, an update from the Commission that was seen by Reuters, takes that