Russia : It 's unclear how much of a role Russia plays , U.S. official says . The European Union agrees on a plan for new sanctions to include Russia . Ukraine opens criminal cases against Russian foreign minister and businessman . Dutch official : At least 200 bodies were on the train ; more could be at crash site .
NEW : It 's unclear how much of a role Russia played , U.S. intelligence says . The European Union agrees on a plan for new sanctions to include Russia . Ukraine opens criminal cases against Russian defense minister and businessman . Dutch official : At least 200 bodies were on the train ; more could be at crash site .