“The bus was running along a busy road in Pul-e-Charkhi area at around 6.30 a.m. A terrorist rammed his explosive-laden car into the bus, causing a heavy explosion,” witness Farhad Mohammadi told Xinhua news agency.
“Most of the victims were foreign security guards onboard the bus. Initial information showed they were Nepalese,” a security official said.
Twenty-five others were inured in the attack, the official said.
The Taliban militant group has claimed responsibility for the attack.