Iran Faces Rising Threat From Within as Baluch Insurgency Escalates

Iran's vast and restive southeastern province of Sistan-Baluchistan, located along the border with Afghanistan and Pakistan, has witnessed a deadly flare-up of violence in recent weeks. Armed groups and Iranian security forces have clashed almost daily across the impoverished province, the site of a decades-long, low-level insurgency. Separatist groups and Islamist militants in Sistan-Baluchistan, home to Iran's marginalized ethnic Baluch minority, are increasingly coordinating their efforts to challenge the Iranian state, experts say.

The intensifying…