Kajaki Hydroelectric Dam in Kajaki, Afghanistan in the Helmand province on June 4, 2018 in Kajaki, Afghanistan. Iranian and Afghan border guards clashed on May 27, exchanging heavy gunfire that killed two Iranian guards and one Taliban soldier and wounded several others. A dangerous borderThe 580-mile border between Afghanistan and Iran is porous and crawling with crime, predominantly coming from the Afghan side into Iran. "Iran's Afghan border has always been its most vulnerable," said Kamal Alam, a nonresident senior fellow at the Atlantic Council's South Asia Center. In the 1950s, Afghanistan built two major dams that limited the flow of water from the Helmand river into Iran.

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Persons: Maplecroft, Wakil Kohsar, Soltvedt, Kamal Alam, Alam, Ryan Bohl, Rane, Ebrahim Raisi, Yamil Lage Organizations: Orbital, Copernicus Sentinel, Getty Images, CNBC, Taliban, Afp, Getty, Asia Center, East Locations: Kajaki, Afghanistan, Helmand, Getty Images Iran, Iran, Tehran, destabilization, East, North Africa, Afghan, Zaranj, Iran's, Khuzestan, Nimruz, Helmand Province, Sistan, Baluchistan, Havana, Cuba