(ANSA-AFP) - BERLIN, JUN 22 - Germany on Wednesday warned Russia not to seek reprisals over Lithuania's rail transit ban on EU-sanctioned goods to Moscow's exclave of Kaliningrad. Germany "firmly rejects" Russia's threat of "serious" consequences for the transit stop, government spokesman Steffen Hebestreit said at a regular press conference. Germany called on Russia "not to take any measures that violate international law", Hebestreit said. Moscow has demanded that Lithuania immediately lift the restrictions, which the Baltic nation says were taken in compliance with European sanctions over Ukraine. The threatened retaliation would have a "serious negative impact on the population of Lithuania", Russia's security council chief Nikolai Patrushev said Tuesday. The situation in Lithuania was such that Germany and its NATO partners were offering "massive support" in the form of "soldiers, weapons" and "equipment", German Defence Minister Christine Lambrecht said later on Wednesday (ANSA-AFP).