Lone children held at UK-run detention centres in France 284 times last year

Data obtained by the Guardian shows there have been 900 cases of unaccompanied minors being detained at British short-term facilities near Calais and Dunkirk over the last four years. Photograph: Tom Nicholson/Getty Images

Lone children were held at UK-run detention centres in France on nearly 300 occasions last year, according to documents released under the Freedom of Information Act.

Data obtained by the Guardian shows they are part of about 900 instances when unaccompanied minors have been detained at British short-term facilities near Calais and Dunkirk over the last four years.