Al- Monitor raised concerns about the impact on security of the snap elections.
resources monitoring security and its relationship to the elections include:
Council on Foreign Relations
Research Turkey- has articles with economic and political analysis
CFC global conflict tracker has resources on political conflict in Turkey
Up to date coverage of polls and news
can be found in Turkish news source Hurriyet
James in Turkey blog from an English based journalist. sumarises polls in English.
For forthcoming election observations see the ODIHR site which has monitoring reports from earlier in 2015.Turkey: Report from the Conference on Independent Civil Monitoring of Elections covers the conduct in July 2015