A Reuters reporter saw a vehicle that was carrying killed and injured security personnel in the area close to those, where police have been conducting an operation against alcohol and drug dealers.
Because the protests on Thursday seemed spontaneous, many doubted that an attacker could have made it from there to Kabul in time to intercept the police forces.
Hours later, the Islamic State claimed responsibility for the attack through the group's own news service, Amaq.
More details are awaited.
Policía Federal incauta 90 mdp en aeropuerto de Tijuana
Un total de 90 millones de pesos fueron incautados este viernes en el Aeropuerto de Tijuana por personal de la Policía Federal.
At least 11 people were killed in a suicide bombing targeting security forces in the Afghan capital Kabul on Thursday.
The attack took place around 8.30 pm (9.30 pm IST) when the shopkeepers at the market were reportedly protesting against the police, TOLOnews reported.
Earlier, 11 dead and about 25 wounded were reported.
Marks on a tree are seen as Afghan security personnel on January 5, 2018 investigate the site of a suicide attack in Kabul.
Suman tres las iglesias chilenas atacadas a días de visita papal
En la pared, junto a la entrada, los autores escribieron " por el papa 10 mil millones y los pobres nos morimos en las poblaciones ".
That was the third deadly attack claimed by the group in the Afghan capital in December alone.
The casualties have been confirmed by Kabul Police.
Security in Kabul has been tightened since 31 May when a massive truck bomb ripped through the diplomatic quarter, killing some 150 people and wounding around 400 others, mostly civilians.
But experts say IS operates several cells in the city, enabling the group to plan and carry out attacks under the noses of Afghan security and intelligence agencies.
Conway, Spicer, Hicks all helped get interviews for my book — Wolff
Sullivan, a case which established the actual malice standard for libel claims, and The Nebraska Press Association v. Unity's international book buyer Marcus Greville said interest in Fury had been "very sudden and extreme".
Afghanistan has always been suffering from an unstable political, social and security situation due to the simmering militant insurgency, including that of the Taliban and Daesh terrorist groups.