Bomb kills dozens in Azaz on Turkish border
At least 43 people have been killed in a car bomb blast in the rebel-held Syrian town of Azaz, near the Turkish border, BBC reported.
According to the source, the explosion occurred outside a courthouse in the town, some just 7km (four miles) from the Turkish frontier.
Azaz has recently been targeted by so-called Islamic State (IS). The latest blast comes amid a nationwide ceasefire – brokered by Russia and Turkey. It has been mainly observed, despite some violations.
No group has yet said it carried out the bombing, which according to some reports may have killed as many as 60 people and injured many more, according to the source.
The activist group Syrian Observatory for Human Rights said six rebels were among the dead, with the rest believed to be civilians.

Paris, January 5, 2017 (AFP) – Three French deputies will travel to Aleppo Friday, “on their own strictly personal initiative” and “in solidarity with the Christians of the East” on the occasion of the Armenian Christmas celebration, They announced in a statement on Thursday.
Syrian President Bashar al-Assad met on Wednesday with His Holiness Aram I, Catholicos of the Great House of Cilicia in the Syrian capital, where the pontiff congratulate Assad and the people of Syria for the liberation of Aleppo by government forces, reported Syria’s Sana news agency.
The Syrian government and Turkish Terrorist groups have agreed a nationwide ceasefire from midnight local time (22:00 GMT) on Thursday, followed by peace talks.
Turkey and Russia have agreed on a plan for the warring parties in Syria to declare a nationwide cease-fire, Anadolu Agency reported, citing its confidential source..
3 suicide car bombs cause heaviest single day loss for Turkish army in its Syria operation that started in August
Buses are entering the eastern neighborhoods in the northwestern Syrian city of Aleppo to resume the evacuation of civilians and armed men from the formerly militant-held areas.
Almost 18,000 civilians, including over 7,500 children, have been evacuated from areas of Aleppo controlled by militants over the last 24 hours, the Russian Center for reconciliation of the warring parties in Syria said on Saturday, according to TASS agency.
A nursing home belonging to the Armenian community was shelled in Aleppo Friday. According to the Berian Diocese of the Armenian Apostolic Church, the terrorists shelled V. Gulbenkian nursing home located in the Armenian-populated district Nor Kyugh.