A protestor at the Archidona facility in November. Photo: AFP Spanish authorities said Friday they have opened an investigation into the death of an Algerian migrant found dead in a jail where hundreds of migrants are being held pending asylum claims. "Police have opened an investigation to shed light on the death of the detainee, aged 36 and of Algerian citizenship," police said in a statement. The man, who has not been identified, was found dead by staff Friday in his cell in a brand-new prison in the southern Spanish town of Archidona, near Malaga. According to a police source, the man could not be revived. He had been placed in detention from November 20th to January 18th. Migrants who arrive in Spain by boat are usually initially detained in police facilities for identification and processing before being sent to an immigration detention centre while their asylum claim is processed. But the Spanish government has been housing nearly 500 migrants — most of t..