At least 44 people died and 140 were injured in an attack in the Syrian city of Qamishli, a Kurdish majority, near the border with Turkey, claimed by the Islamic State group (EI).In a statement released on social networks, the jihadist group said the attack was carried out by a suicide bomber in a truck full of explosives in response to attacks on the city of Manbij, a fief of EI in the province of Aleppo.The Amaq agency, a propaganda organ linked to EI, reported that the target of the attack was the building of staff of the Kurdish forces in Qamishli.It is the worst attack and the deadliest who has suffered this city since the conflict began in March 2011.At least 44 people died and 140 were injured in the attack on buildings in the autonomous Kurdish administration in the Syrian city, near the Turkish border, according to the latest tally of official media.The Syrian national television spoke of a "terrorist attack" that according to the official news agency Sana left "44 dead and 140 wounded, several of them seriously."