Germany's decision to tighten border controls since Monday has caused serious traffic congestion and delays for vehicles heading from the Polish side to Germany, which also triggered growing complaints from the public.

Germany reintroduced temporary controls on its western and northern borders on Monday as part of efforts to combat irregular migration and cross-border crime, the interior ministry said.

Polish Prime Minister Donald Tusk on Tuesday condemned neighboring Germany’s decision to tighten border controls in its bid to clamp down on irregular migration. “From the Polish point of view, this type of action is unacceptable,” Tusk said during a meeting of Polish diplomats.

Poland has sharply criticized the German government's plans to introduce temporary controls at all of Germany's land border crossings in a bid to combat irregular migration. "This approach is unacceptable,

Temporary checks on Germany's western and northern borders to combat irregular migration will not hit Europe's largest economy beyond creating delays and complexities for companies already struggling with a downturn,