UPDATE: According to Iranian media, the death toll gew to 41 people, including civilians.
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On February 13, 20 service members of the Islamic Revolutionary Guard Corps (IRGC) were killed and 10 others were injured in a suicide bombing in the Chanali area in the southeastern Iranian province of Baluchestan, according to Iranian media.
The explosion reportedly targeted a bus carrying IRGC forces on a road between the cities of Zahedan and Khash, close to the Pakistan border.
Jaish al-Adl (the Army of Justice), a Sunni militant group operating in this part of the country, has claimed responsibility for the attack.