Over 90 Killed in Iran Bomb Blasts

The crowd then rushed west along Shohada Street, where the second blast struck about 1 kilometer (0.62 miles) from the grave.

A delayed second explosion is often used by militants to inflict more casualties by targeting emergency personnel responding to an attack.

Iranian state TV and state-run IRNA news agency quoted emergency officials for the casualty figures. Authorities said on Thursday would be a national day of mourning, as quoted from AP site.