brussels germany urge european union add four russian nationals company bloc sanction blacklist siemens siegn.de gas turbines deliver moscow-annexed crimea two source brussels say eu bar firm business crimea since 2014 annexation impose sanction russian individuals entities curb cooperation russia energy arm finance role crisis ukraine annex crimea kiev moscow throw support behind separatist rebellion eastern ukraine kill 10,000 people still simmer eu blacklist comprise 150 people 37 entities subject asset freeze travel ban restrictions place sept. 15 regular review would normally moment look list past good ground add entries list eu official say siemens try distance scandal last week say halt deliveries power equipment russian state-controlled customers review supply deal russia energy minister alexander novak play potential consequences halt siemens supply deliver company novak tell reporters st petersburg electricity generation ... learn produce necessary equipment say without refer prospect additional sanction siemens say evidence four turbines deliver project southern russia illegally move crimea german government spokeswoman ulrike demmer say monday turbines deliver crimea term contract despite high-ranking assurances russian officials would happen berlin consult consequences unacceptable operation might say add however onus company ensure violate sanction regime propose additions blacklist could include russian energy ministry officials russian company move turbines black sea peninsula one senior diplomatic source brussels say another source say representatives 28 eu member state could discuss matter first time brussels soon wednesday eu need unanimity impose extend sanction hungary bulgaria italy cyprus among eu state usually skeptical russia sanction take line punitive measure fail force change course moscow hurt european business reuters first report year ago siemens case expose difficulties impose eu sanction exclusive germany want eu sanction russia siemens crimea turbines source