The board symbolises the confines of prison, and getting out before the others, winning freedom - even if just metaphorically ...

In cell No. 20 in Mexico City’s Lecumberri Prison last week, a grey-haired prisoner lay on his bunk and refused all food, though he occasionally took a swig of water to ease his hunger pains.

Male student leaders were held in Mexico City's Lecumberri prison. Many inmates launched a six-week hunger strike in protest at their treatment. In response to the strike, prison authorities ...