Islamic State has claimed responsibility for an attack at the communications ministry in the Afghan capital Kabul that killed seven people, the militant group's Amaq news agency said on Sunday.
Police chief Gen. Sayed Mohammad Roshandil said the bomber blew himself up outside the Telecommunications Ministry, clearing the way for four gunmen to enter the building and the heavily guarded government compound in central Kabul.
"We were having lunch when we heard the explosion", said Rabia, who worked at the childcare centre.
There was no immediate word on the cause of the blast close to the communications ministry.
Among the dead were four civilians and three police officers, while another eight civilians were wounded.
Saturday's attack opened shortly before midday with an explosion at the entrance to the multi-storey building housing the ministry in a busy commercial area of the city, followed up by gunfire which could be heard over a mile away.
Sources said security forces and ambulances have arrived at the attack scene near the Ministry of Communication and Information Technology and all ways connected to the area have been cordoned off by security forces.
The Taliban in a statement denied involvement in the attack.
The attack marked a return to the kind of complex urban attack that have been familiar features of the Afghan conflict over recent years.
Wahid Mayar, spokesman for Ministry of Public Health, six wounded have been taken to hospital following the Kabul attack.
The attack, just days after a planned meeting between Taliban officials and Afghan politicians and civil society representatives in Qatar was canceled, underlined the hurdles facing efforts to reach a peace settlement.
The presidential palace said in a statement "the enemies of Afghanistan have conducted a terrorist attack".
The communication ministry is located in downtown Kabul, about 2 kilometers (1.25 miles) from the green zone.
Footage on local television showed a small plume at the building, and people climbing out windows on a lower level.