Welcome to the Brussels Edition, Bloomberg’s daily briefing on what matters most in the heart of the European Union.

The European Union is prepared to take a leading role in supporting Ukraine if U.S. backing wanes, EU chief diplomat Kaja Kallas said on Jan. 9 at Ramstein Air Base in Germany, German media outlet Tagesschau reported.

The European Union is ready to take the lead in supporting Ukraine. However, Europe hopes that elected US President Donald Trump will not stop supporting Ukrainians, states Top European Union diplomat,

Ukraine’s suspension of Russian gas transit through its territory is not a threat to EU energy security. However, the bloc’s member states should continue working towards their goal of becoming indepe

Slovakia’s Prime Minister Robert Fico said he wasn’t ruling out the resumption of gas through Ukraine after a deal between Kyiv and Moscow expired at the beginning of this year.

However, Fico says it will cost Slovakia 1 billion euros ($1 billion) a year in higher prices for the gas it uses and 500 million euros in onward transit fees. He has threatened to cut emergency electricity supplies to Ukraine as Russia attacks its power grid,

The European Aviation Safety Agency issued a bulletin warning airlines against flying over western Russia due to the risk of being shot down.

Russia and its four flight information regions (FIRs) to a list of potentially dangerous airspaces for civilian aircraft. According to the agency, the decision aims to "ensure maximum flight safety amid the ongoing full-scale war Russia is waging against Ukraine.