A/HRC/WGEID/126/1 (a) Hamidullah Arbabi, a national of the Islamic Republic of Iran and a member of the Baloch minority, who was allegedly arrested at his residence in the village of Mehban, in the Nikshahr district of the Sistan and Baluchestan province of the Islamic Republic of Iran, by agents of the intelligence department); (b) Ali Sharifi, a national of the Islamic Republic of Iran and a member of the Arab ethnic minority, who was allegedly arrested in April 2011 following anti-government protests, in Ahwaz in the Arab-majority Khuzestan province of the Islamic Republic of Iran, by the security forces of the Islamic Republic of Iran. He was last seen on 19 June 2012 in Karun prison, before being transferred to an unknown location; (c) Taha Heidarian, a national of the Islamic Republic of Iran and a member of the Arab ethnic minority, who was allegedly arrested in April 2011 following anti-government protests, in Ahwaz, in the Arab-majority Khuzestan province of the Islamic Republic of Iran, by the security forces of the Islamic Republic of Iran. He was last seen on 19 June 2012 in Karun prison, before being transferred to an unknown location; (d) Abdulrahman Heidarian, a national of the Islamic Republic of Iran and a member of the Arab ethnic minority, who was allegedly arrested in April 2011 following anti-government protests, in Ahwaz, in the Arab-majority Khuzestan province of the Islamic Republic of Iran, by the security forces of the Islamic Republic of Iran. He was last seen on 19 June 2012 in Karun prison, before being transferred to an unknown location; (e) Abbas Heidarian, a national of the Islamic Republic of Iran and a member of the Arab ethnic minority, allegedly arrested in April 2011 following anti-government protests, in Ahwaz, in the Arab-majority Khuzestan province of the Islamic Republic of Iran, by the security forces of the Islamic Republic of Iran. He was last seen on 19 June 2012 in Karun prison, before being transferred to an unknown location. Application of the six-month rule 68. The Government provided information, on the basis of which the Working Group decided to apply the six-month rule to one case, concerning Fouad Alboufatileh Nezhad. Joint allegation letters and replies 69. On 30 December 2021, the Working Group transmitted, jointly with other special procedure mechanisms, an allegation letter concerning the arrest, ill-treatment, enforced disappearance, continued detention and sentencing of student activist Leila Hosseinzadeh and the arrest and continued detention of labour rights defender Hirad Pirbodaghi. 20 70. On 24 January 2022, the Working Group transmitted, jointly with other special procedure mechanisms, an allegation letter concerning reports of acts of torture or other cruel, inhuman and degrading treatment, which have sometimes resulted in deaths in custody and which have reportedly not been the subject of investigations in accordance to applicable international standards. Among the recently reported cases are the abuses suffered by detainees at Evin Prison, which were captured on video, and the deaths of Shahin Naseri and Amirhossein Hatami in State custody.21 71. On 26 January 2022, the Working Group transmitted, jointly with other special procedure mechanisms, an allegation letter concerning the water and environmental policies in Khuzestan province, which have led to a serious water and environmental crisis impacting life, livelihood, biodiversity and the environment. Further information was received about the violent dispersal by police and security forces of peaceful protests in Khuzestan province that were related to the water crisis; the use of lethal force against unarmed protesters, which led to the killing of at least nine individuals, including at least one child, and the injuring of a number of others; the arrest and alleged arbitrary detention of protesters, some of whom 20 21 12 See IRN 35/2021. See IRN 36/2021.