Germany has maintained controls on its border with Poland since 2023, but recently adopted a tougher approach, rejecting undocumented arrivals and sending them back to Poland under EU and bilateral agreements. Polish authorities say this has placed an unfair burden on their country.

SLUBICE, Poland — Poland reinstated border controls on Monday with Germany and Lithuania, following similar German restrictions imposed earlier this year aimed at discouraging asylum-seekers.

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.