A senior Russian military official has arrived in Tehran to discuss defense cooperation with Iran, the Iranian Defense Ministry says.
Head of the Russian Federal Service for Military and Technical Cooperation,
Mikhail Dmitriyev arrived in Tehran on Wednesday to take part in the fourth meeting of the Iran-Russia Joint Defense Cooperation Commission.
Dmitriyev held talks with Brigadier General Ahmad Vahidi, who heads the Iranian side of the commission.
During the negotiations both sides stressed the need to expand Iran-Russia defense cooperation.
They also reviewed agreements reached during earlier meetings of the commission. 
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