7 Bombings Shatter Calm in Iran, Killing 10 as Election Day Nears By NAZILA FATHI (NYT) 949 words Late Edition - Final , Section A , Page 1 , Column 5 New York Times FOREIGN DESK | June 13, 2005, Monday ABSTRACT - Seven bomb blasts in Iran leave at least 10 dead and 80 wounded five days before elections there; no group takes responsibilty; Interior Ministry says timing of bombings suggests they were meant to intimidate Iranians into not voting to choose successor to Pres Mohammad Khatami; Iranian dissidents and others opposed to Islamic fundamentalist establishment make no secret of their dislike for its leaders, but most dissent in Iran is expressed through unauthorized demonstrations; political violence is extremely rare; four of bombings are in city of Ahvaz near Iraqi border, where ethnic Arabs are in majority; three blasts occur in Tehran; photos; map (M)