Hungary threatened on Monday to block Bulgaria's bid to join the Schengen area if fees for the transfer of Russian gas are not removed.
The Financial Times reports this, citing three sources familiar with the discussions (noting that the Hungarian authorities have not commented officially).
The publication is from Tuesday, December 11, a day after GERB and "We Continue the Change - Democratic Bulgaria" announced that they are waiving the tax of BGN 20 per megawatt hour for gas transmission through Bulgaria.
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