An Estonian citizen allegedly transporting migrants who entered the EU illegally via Belarus was detained on the Poland–Lithuania border on Monday by Polish border guards.

Poland temporarily reintroduced border controls with Germany and Lithuania at midnight Sunday, saying they are needed to control “illegal immigration”. The issue was central to June’s presidential election where nationalist Karol Nawrocki — who ran on a slogan of “Poland first,

Poland introduced temporary controls on its borders with Germany and Lithuania on Monday, in what the government said was a step to check migrants more thoroughly amid public concerns over immigration.