[citation needed] Zeydan appealed to the Supreme Election Board and was instated as mayor.

[9] Zeydan was imprisoned in the F-type prison in Edirne together with Selahattin Demirtaş, with whom he joined a hunger strike in protest of the detention conditions in March 2017.

[10] He also joined a hunger strike in protest of the detention conditions of Abdullah Öcalan, which was initiated by Leyla Güven.

[11] He was punished for this the same month by the prison authorities, but Abdullah Öcalan was permitted a visit of his brother days after Zeydan joined the hunger strike.

[13] The lawsuit was filed together with the request for a closure of the HDP due to the party's alleged organizational links with the PKK.