 According to Nil Satana, the author of the Kurdish Issue in June 2011 Elections, PKK attacks on civilians persisted until the organization realized that these were damaging their international prestige.On 20 June 1987, the organization committed a massacre in the village of Pınarcık in the Mardin Province of Turkey, killing more than 30 people, mainly women and children.On 8 July 1987, more than 16 civilians were executed by a group of PKK militants.