A suicide bomber targetted vehicles belonging to members of the local police force campaign in Khost province, Tolo News quoted the local officials as saying.

As per the Afghan media, the local police force campaign members fall under the US-Forces.

The provincial governor's spokesman Mubariz Zadran confirmed the incident and said it occurred at the Mujahid square in Khost city.

Zadran did not give details regarding casualties but a source at the scene said there could be as many as 30 dead and wounded.

On Friday, at least 10 people were killed when a roadside mine exploded in Herat province, local officials confirmed,

According to Tolo News, the incident occurred in Sherzad area of Adraksan district in Herat province when the vehicle the victims were driving in hit the roadside mine. The victims had been on their way to Ghor province at the time of the explosion, district governor Lal Mohammad Omarzai said. 

In addition six others were wounded, Omarzai added. 

Women and children were also among the victims, the governor said.

According to Omerzai the mine was planted by insurgents wanting to target a security forces convoy.