Iran Press/Middle East: An Iraqi military official said that the explosion occurred on a small bus in the entrance of Karbala Province on Saturday.
A sticky bomb that was inside the bus caused the blast
Also, a security source noted that the incident that happened in the roadblock checkpoint number 51 in northern Karbala Province, was caused by a sticky bomb that was inside the bus, Iraqi news website, Alsumaria.tv reported.
The wounded have been transferred to the hospital.
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