The attack echoes a series of assassinations targeting northern oil officials in 2015.
Kurdistan oil sector under attack
Drones struck Tawke and Ain Sifni on Wednesday, marking three consecutive days of attacks on Kurdistan oil fields.
Security
Assassins kill North Gas Company deputy DG
Turkey kills allies in strike on Sinjar
The bombing raid targeted a PKK affiliate, but KRG Peshmerga were killed.
Q&A: Deputy Minister for National Security Affairs Akeel al-Saffar
A long-serving Iraq security official discusses the future of the al-Hashid al-Shabi program and outlines a proposal for providing security services to investors.
IS use of human shields complicates Mosul offensive
The civilian death toll is rising as IS militants use human shields in their ruthless defense of western Mosul.
Intra-Kurdish tensions high amidst provocations and protests
Security forces affiliated with Kurdistan's ruling KDP party have deployed near several PKK-heavy areas, raising the prospect of more violent confrontations.
Kirkuk oil crisis subsides as PUK faction withdraws
"Black Force" special police left key energy sites in Kirkuk, but the political tensions that produced the dramatic showdown remain unresolved.
Wellheads burn at Hamrin field after deadly IS attack
Four Hashid soldiers were killed in an attack late Monday, when IS insurgents set multiple wellheads on fire.
PUK faction seizes more Kirkuk energy infrastructure
"Black Force" special police took over the North Gas Company headquarters Sunday, and continue to occupy the IT-1 station, as tensions over Kirkuk energy resources escalate.
Kurdish rivalries combust in deadly Sinjar battle
Proxy forces backed by Kurdistan's ruling KDP party and the PKK fought a four-hour battle Friday, foreshadowing a new phase of volatility for territory liberated from IS.
UPDATE: Armed political faction interrupts Kirkuk exports
The "Black Force" special police unit of the PUK party briefly took over Kirkuk's IT-1 facility - a sign of deteriorating intra-Kurdish political rivalries.