Afghan security forces personnel stand at the site of a car bomb attack in Kabul on May 31, 2017. At least 64 people were killed or wounded on May 31 as a massive blast ripped through Kabul's diplomatic quarter, shattering the morning rush hour and bringing carnage to the streets of the Afghan capital. Pic/AFP

A water tanker loaded with explosives blew up amid a deafening roar near the German Embassy on Wednesday, killing at least 80 people, wounding around 350 and causing widespread destruction, authorities said.