Upper Dir District Police Officer (DPO) Naseeb Jan confirms the incident, says 19 people have been injured.
The attackers targeted the vehicle from the front and fled before police reached the site: official.
Rains expected to continue till Sunday; power outages, water clogging irks citizens.
Opposition parties observe 'Youm-e-Siah' to mark one-year anniversary of 2018 elections.
Sartaj Khan died on the spot after unidentified assailants opened fire on his vehicle in Gulbahar area, police say.
Threats of militancy and other sabotage activities are expected in the district in case of sit-ins and rallies: order.
Cites security, post-merger issues in area as reasons behind request for 20-day delay in polls.
Jirga distributes cheques to some of the affected families as part of compensation announced by the CM a day earlier.
Rs2.5 million will be given to the families of the deceased and Rs1 million to those injured in the incident.
Nauman Afzal Afridi, the deputy commissioner of South Waziristan tribal district, has imposed the order for a month.
A case under terrorism charges has been registered against MNAs Ali Wazir and Mohsin Dawar, and 7 others.
KP Chief Minister Mahmood Khan condemns the incident, vows to "eliminate the cancer of terrorism".
Dr Hisham Inamullah Khan says the schools in question have a history of refusing anti-polio vaccines.
One policeman martyred; building used as hideout by the suspects demolished.
A search operation is underway to find six children who remain missing.
Woman says her husband beat her up after seeing her dupatta slip off her head during a wedding.
Resolution presented by MMA lawmaker claims women took part in the march holding "obscene" placards.
The police van was on a routine patrol in Parowa area when the bomb planted on a bicycle went off.
Police say a weapon was also recovered from the suspect.
An SHO receives bullet injuries, is shifted to CMH, DI Khan.