Ankara, Nov 5th 1979 (TPI). Two days ago, terrorists attacked an engineering survey party preparing topographical maps for the future hydroelectric dam on the Aras River between the Republic of Iran and the Soviet Socialist Republic of Azerbaijan. A senior Russian engineer, an Iranian engineering officer, and a junior officer were killed by the terrorists. Surviving were an American and a Turkish engineer. After dark, there was a gun battle at the nearby construction camp. The construction workers drove off a larger unit of radical Islamists revolutionaries causing heavy casualties among the pasdaran.