WARSAW, Poland—Russian airlines will be banned from entering Polish airspace, Poland’s Prime Minister Mateusz Morawiecki said on Friday, a day after Russian forces moved against Ukraine with a multi-pronged invasion that has sent Western leaders scrambling to mount a response. “I have ordered the preparation of a resolution of the council of ministers which will lead to the closure of the airspace over Poland to Russian airlines,” Morawiecki wrote in a post on Twitter. Polish government spokesperson Piotr Muller later clarified in a statement that the ban would come into force on Friday at midnight. Michal Orzechowski, a Polish author and documentary filmmaker, said the move is more than just symbolic. “The air corridor over Poland is a key transport pathway for the Kremlin and one of the most important air transit routes between Russia and Europe,” Orzechowski said in an interview with The Epoch Times. “That’s why the airspace …