Migrants rest at the transport and logistics centre Bruzgi on the Belarusian-Polish border, in the Grodno region, Belarus November 27, 2021. Migrants staying at a warehouse turned into shelter near Belarus' border with poland queued for food in freezing weather on Saturday (November 27), a day after Belarusian leader Alexander Lukashenko said he would help them return home. REUTERS/Kacper Pempel

Migrants prepare food at the transport and logistics centre Bruzgi on the Belarusian-Polish border, in the Grodno region, Belarus November 27, 2021. Thousands of migrants are stuck on the European Union's eastern frontier, in what the EU says is a crisis Minsk engineered by distributing Belarusian visas in the Middle East, flying them in and pushing them across the border. REUTERS/Kacper Pempel

A migrant prepares food at the transport and logistics centre Bruzgi on the Belarusian-Polish border, in the Grodno region, Belarus November 27, 2021. The migrants were free to head west or go home as they chose, he said. REUTERS/Kacper Pempel

A migrant washes his toothbrush at the transport and logistics centre Bruzgi on the Belarusian-Polish border, in the Grodno region, Belarus November 27, 2021. Belarus has begun to fly some migrants home, but has said it is waiting for an answer from the EU on its demand that Germany should accept 2,000 stranded at the border, which the EU has rejected and Germany has denied agreeing to it. REUTERS/Kacper Pempel

A migrant fills a plastic bottle at the transport and logistics centre Bruzgi on the Belarusian-Polish border, in the Grodno region, Belarus November 27, 2021. REUTERS/Kacper Pempel

Migrants queue to receive food at the transport and logistics centre Bruzgi on the Belarusian-Polish border, in the Grodno region, Belarus November 27, 2021. REUTERS/Kacper Pempel