Earlier in the day, the local news agency IRNA reported citing its source that 20 people were killed.
The deadly attack took place in the Chanali area of the Khash-Zahedan road, between the cities of Zahedan and Khash — an area not far from the border with Pakistan, where drug smuggling and military activities are quite frequent.
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According to the IRNA's source, the death toll currently stands at 20, while some 20 more have been injured as a result of the attack.
At present, no terrorist group has taken responsibility for the attack.
This comes after the most recent Iran attack which took place in September during a military parade, leaving more than 20 killed and over 50 injured.