US-Arab Nations joint operation attacks ISIS locations in Syria-Turkey border

Mystery surrounds the aerial bombing near Kobane – it happened at about 01:00 local time (22:00 GMT) but US has not been confirmed that it was responsible, neither was any of its coalition member bbc.com.
Moreover, Turkish military sources have indicated that neither its air force nor the US airbase at Incirlik in southern Turkey had been used.
Anyway, new air strikes of US-coalition have targeted Islamic State (IS) militants in Syria attacking areas close to the border with Turkey. In fact, Syrian activists have reported strikes around the Kurdish town of Kobane, which has been besieged by IS fighters for several days.
Witnesses have revealed that two military aircraft had been seen approaching from Turkey but Turkish officials denied its airspace or bases were used in the attack.
The US Central Command (CENTCOM) has confirmed that it had conducted two more strikes in Syria, hitting two IS vehicles in Deir al-Zour in the east of the country and, till now, the US has launched nearly 200 air strikes in Iraq since August.
UK Prime Minister David Cameron had made his position clear saying that an international coalition was needed to "destroy" IS and has added that it was a fight "you cannot opt out of".