It is a regular IS target
Qamishli has regularly been targeted in bomb attacks, many of which have been claimed by the Islamic State (IS) group. The IS-linked Amaq agency reported that a “suicide bomber in a truck bomb hit the headquarters of the Kurdish” forces in Qamishli, without explicitly claiming the attack as an IS operation. An reporter in the city said that the first explosion was caused by a suicide bomber who blew himself up inside a large truck by a checkpoint near local Kurdish administration ministries.
“Largest explosion in the city”
A source in the Kurdish Asayesh security forces told AFP “this is the largest explosion the city has even seen.” He added that local hospitals had been flooded with casualties from the attack. Syrian state television meanwhile carried an appeal from the Governor of Hasakeh province, where Qamishli is located, urging residents of the city to “go to public and private hospitals to donate blood for the victims of the terrorist bombings.”