European Union leaders are to meet in Brussels on Thursday for heated talks on irregular migration to the bloc, differing positions on the Middle East conflict and further support for war-torn Ukraine. Migration has been a contentious issue in the EU for years. Amid a series of electoral successes for far-right parties across the bloc and a changing security landscape, individual countries take increasingly restrictive positions. Poland recently announced plans to temporarily suspend the right to asylum, accusing Russia and Belarus of pushing migrants to the Polish border, which is also the EU…