Afghan suicide bomber kills Turkish workers

Three Turkish construction engineers have been killed by a suicide bomber in the eastern Afghan province of Nangarhar, officials say. The attacker drove a motorbike packed with explosives into their minibus in the city of Jalalabad. Later, three suicide attackers killed four people in an assault on a government office in Helmand province.
Background:
Afghanistan bomber kills Turkish construction workers [BBC]
Afghanistan attacks kill three Turks, three police [Reuters]