Tehran’s News news agency says Islamic Republic is seeking ICJ action against Moscow over breach of S-300 missiles contract.A senior Iranian diplomat said that Tehran has filed a lawsuit against Russia after the latter backed out of delivering anti-aircraft S-300 missile system to the Islamic Republic, Tehran’s Fares news agency reported on Tuesday.Iran’s Ambassador to Russia Seyed Mahmoud Reza Sajjadi said that Tehran has filed a lawsuit against Russia with the International Court of Justice over Moscow’s refusal to ship S-300 air defense to Iran