Afghanistan, May 18 -- At least three people, including prominent tribal leader Malik Tariq Wazir, were killed and four others injured in a bomb blast Monday in South Waziristan district of Khyber Pakhtunkhwa, Pakistani officials said.

Police said the explosion occurred near Gulshan Plaza in the busy Rustam Bazaar area of Wana while the vehicle carrying the tribal elder was passing through the market.

According to local authorities, suspected militants planted explosives near the market overnight before detonating them during the morning hours.

Hospital officials said several injured people were transferred to Wana's central hospital, where two victims remained in critical condition.

South Waziristan has long been affected by militant v...