Following a string of alleged arsons at urban markets in the Kurdistan Region, Iraqi officials have announced the arrests of three suspected culprits. Interior ministry representatives claim that two of the accused are members of Sulaimaniyah-based entities linked to the Patriotic Union of Kurdistan (PUK), and trained by the Kurdistan Workers’ Party (PKK).

While the PKK has denied any links to the accused arsonists, the allegations will certainly be welcomed by its arch-rivals in Ankara. The accusations are also cause for embarrassment within the ranks of the PUK. Of further note, the...