Government official Sahibzada Muhammad Anis says the suicide bomber blew up the explosive-laden car on Saturday when police wanted to search it at the checkpoint on the outskirts of the city.
Anis says 25 other people were injured.
A massive truck bombing at the regional headquarters of Pakistan's top intelligence agency killed 10 people in the city on Friday.
THIS IS A BREAKING NEWS UPDATE. Check back soon for further information. AP's earlier story is below.
PESHAWAR, Pakistan (AP) - Police say a car bomb targeting a security force checkpoint has killed seven people in the northwestern Pakistani city of Peshawar.
Police official Irfanullah Khan says the explosive-laden car hit the police checkpoint on the outskirts of the city on Saturday.
Khan says the dead included some police officers.
A massive truck bombing at the regional headquarters of Pakistan's top intelligence agency killed 10 people in the city on Friday.