WARSAW, POLAND — More than 180 migrants crossed into Poland through a tunnel hidden in a forest on the border with Belarus, frontier guards said on Friday.

Around 130 of them were detained in Poland after the passage was discovered on Thursday, but the rest were still on the run, the Polish Border Guard said in a statement.

It released video of the tunnel dug through roots and bare earth, supported by wooden posts and metal rods and just 5 feet high — not enough for most people to pass through without crouching.

European Union member Poland has been grappling with a migrant crisis on its border with Belarus since 2021.

It has accused Belarus and Minsk’s ally Moscow of plotting to destabilise Poland by encouraging people, mainly from the Middle East and Africa, to cross the frontier

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