Major General Muhiddin Ghori, who made the allegations, told RFE/RL's Radio Free Afghanistan that it remains unclear whether the four were sent to Helmand Province by the Iranian government.
In recent months, there have been numerous cases of Iranian-built weapons, including land mines, turning up in Afghanistan.
But Tehran has denied accusations by U.S. officials that those shipments were made with the knowledge and approval of the Iranian government.
RFE/RL Afghanistan Report
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