Afghan residents inspect the site of a suicide bombing outside a voter registration centre in Kabul on April 22, 2018. Shah Marai / AFP
Afghan residents inspect the site of a suicide bombing outside a voter registration centre in Kabul on April 22, 2018. Shah Marai / AFP
A man reacts as others comfort him at the site of a suicide attack in Kabul, Afghanistan on April 22, 2018. Omar Sobhani / Reuters
A man reacts as others comfort him at the site of a suicide attack in Kabul, Afghanistan on April 22, 2018. Omar Sobhani / Reuters
An Afghan security forces member stands guard at the site of a suicide bomb attack in Kabul, Afghanistan on April 22, 2018. Omar Sobhani / Reuters
Abandoned shoes belonging to Afghan victims of a suicide bombing lie at the scene of the attack outside a voter registration centre in Kabul on April 22, 2018. Shah Marai / AFP
Afghan residents inspect the site of a suicide bombing outside a voter registration centre in Kabul on April 22, 2018. Shah Marai / AFP
Afghan residents inspect the site of a suicide bombing outside a voter registration centre in Kabul on April 22, 2018. Shah Marai / AFP
Afghan residents inspect the site of a suicide bombing outside a voter registration centre in Kabul on April 22, 2018. Shah Marai / AFP
A man reacts as others comfort him at the site of a suicide attack in Kabul, Afghanistan on April 22, 2018. Omar Sobhani / Reuters
A man reacts as others comfort him at the site of a suicide attack in Kabul, Afghanistan on April 22, 2018. Omar Sobhani / Reuters
An Afghan security forces member stands guard at the site of a suicide bomb attack in Kabul, Afghanistan on April 22, 2018. Omar Sobhani / Reuters
Abandoned shoes belonging to Afghan victims of a suicide bombing lie at the scene of the attack outside a voter registration centre in Kabul on April 22, 2018. Shah Marai / AFP
Afghan residents inspect the site of a suicide bombing outside a voter registration centre in Kabul on April 22, 2018. Shah Marai / AFP
Afghan residents inspect the site of a suicide bombing outside a voter registration centre in Kabul on April 22, 2018. Shah Marai / AFP
ISIS suicide blast at election centre in Afghan capital leaves at least 57 dead
The explosion targeted a predominantly Shiite area in Kabul