At least twelve people were killed in a police operation against a criminal gang in Paraguay’s largest detention centre. Eleven inmates and a police officer were killed in the Tacumbú prison in the capital Asunción when security forces stormed the overcrowded prison, Paraguay police said on Monday. After hours of fighting, the police regained control of the prison. The officers confiscated firearms, ammunition and explosives. The Rotela clan crime syndicate is said to have largely controlled the prison beforehand. According to media reports, the police discovered fighting dogs, roosters for co…