Jorge Armenta had received threats and was under government protection, said the media watchdog group Reporters Without Borders (RSF).
At least nine civilians were killed in Ibn Semaan village of Aleppo province, war monitor SOHR says, adding 20 other civilians were killed in neighbouring provinces of Idlib and Aleppo.
A new cessation of hostilities agreement between Russia and Turkey, who support the opposite sides in the conflict, went into effect last week but violence has continued.
Reports by Israeli state radio alleges Turkey proposed that the gas pipeline run from Israeli reservoirs through Turkey into Europe.
Renewed protests began on Thursday evening in a month of deadly unrest that has claimed more than 200 lives.
The governor of the Central Bank of Afghanistan has admitted that hundreds of thousands of US dollars are crossing the porous border into Iran, having a detrimental effect on Afghani currency.
Libya's unity government was created at UN-backed talks in 2015, but it has struggled to assert control, while a number of international initiatives since have failed to unite the country.
At the recent Arab League summit in Lebanon, the signs of Syria's reinclusion were clear.
Russian Foreign Minister Sergey Lavrov said that Russia would seek to take into full account the interests of all parties involved, including Syria's neighbours, in resolving the Syrian conflict.
More intelligence sharing between Iraq and Turkey is likely to increase arrests and the extradition of Daesh operatives.
A year after Daesh was defeated in the region, people suffer from several problems ranging from lack of essential services to disease and poverty.
Speculation is growing that Oprah Winfrey is considering running for US president. The clamour for her to run in 2020 has intensified following her speech at Sunday night's Golden Globe awards.
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