The target of the blasts was probably an area that includes government and lawmakers’ offices, according to Sediq Sediqqi, spokesman for the Interior Ministry.
Officials said the attack took place at the Baqir Olum mosque in the western part of Kabul
Displacement has increased since the withdrawal of International troops in 2014.
Afghanistan’s national power utility has restored electricity to the capital Kabul, almost a month after insurgent power cuts.
Kabul police spokesman Basir Mujahid said the attacker joined a line of people waiting to enter the local headquarters of a branch of the national police after having lunch and praying outside.
The medical aid group Emergency said 15 people had been referred for treatment to the hospital that it runs nearby, and that a 12-year-old boy had been dead on arrival.
No information on damage or casualties was immediately available.
Simon Ashraf has a Masters in Economics and, while leaving Kabul, his degree was one of the first things he packed.
The PM, who flew to Kabul from Moscow in the early hours of Friday, was received by Afghan National Security Adviser Mohammad Hanif Atmar and Deputy Foreign Minister Hekmat Karzai.
Despite the twists and turns since then, Modi and Sharif had kept up a conversation, in public and private, despite entrenched skepticism in both capitals.
Naresh Chandra added that the meeting also sent a signal to negotiators on both sides that they should “get on with business”.
Two foreigners including a Spanish security officer and four Afghan police were also killed in the attack, in a heavily protected part of Kabul close to several embassies and government buildings, said Kabul police spokesman.
The embassy is in Sherpur in central Kabul, where a huge car bomb struck during rush hour this evening.
The attack Saturday struck near the private Shinozada hospital in Kabul’s Macrorayan neighborhood. No group immediately claimed responsibility for the attack.
Military jets and helicopters flew over the city centre until the early hours of Saturday morning as security forces locked down the area around the attacks.