An explosion ripped through the center of Jalalabad city in provincial capital of eastern Nangarhar province this afternoon.
According to reports, the incident took place as a large gathering was underway in support of President Mohammad Ashraf Ghani.
Provincial government spokesman Ataullah Khogyani confirmed the incident took place in the vicinity of the 1st police district of the city.
He said at least six people were killed and thirteen others were wounded in the explosion.
Earlier, preliminary reports indicate at least five people have been killed and around ten others have sustained injuries.
No individual or group has so far claimed responsibility behind the incident although both ISIS and Taliban insurgents are active in some remote parts of the province.
Nangarhar is among the relatively calm provinces in eastern parts of the country but the anti-government armed militant groups have been attempting to expand their insurgency in this province during the recent months.
This comes as at least two people were killed and five others were wounded in back to back explosions in Jalalabad city on Saturday.