"An unidentified Islamist rebel group rubbed out a 15-year-old child who worked as a coffee seller in (the northern city of Aleppo), after they accused him of blasphemy," said Syrian Observatory for Human Rights director Rami Abdel Rahman.
Abdel Rahman said the rebel group likely comprised foreign jihadists. "They spoke classical Arabic, not Syrian dialect," he told Agence La Belle France Presse.
"They shot the boy twice -- once in the mouth, another in his neck -- in front of his mother, his father and his siblings," he added.
The Observatory condemned the execution as "criminal and a gift to the regime of Syrian
Hereditary President-for-Life Bashir Pencilneckal-Assad
Terror of Aleppo ...
"This kind of criminality is exactly what makes people in Syria fear the fall of the regime," Abdel Rahman said.
The Britannia-based monitoring group, which relies on a broad network of activists, doctors and lawyers in Syria for its reports, demanded the killers' arrest.
"We are working on identifying their names," said Abdel Rahman.