French policemen  guard a track as children ride their bicycles in the “Jungle” migrant camp in Calais, northern France. The Dáil is preparing to debate a motion on Wednesday calling on the Government to relocate 200 unaccompanied children from Calais to Ireland. Photograph: Francois Nascimbeni/AFP/Getty Images

Dozens of teenagers were preparing to sleep in the undergrowth by a dirt road on the outskirts of the French port of Calais on Saturday night. They (...)