An Islamic State militant has publicly executed his own mother after she advised him to leave ISIS, in the city of Raqqa, according to a Syrian human rights group. The Guardian reports: The woman, in her 40s, had reportedly warned her son that a US-backed alliance would wipe out Isis and had encouraged him to leave the city with her. She was detained after he informed the group of her comments, according to the Syrian Observatory for Human Rights, a British-based group that monitors the war through a network of sources on the ground. Citing local sources, the Observatory said the 20-year-old man killed his mother on Wednesday near the post office building where she worked in front of hundreds of people in Raqqa, a main base of operations for the group in Syria. According to a local resident, the assailant’s mother was originally from Jabla, a town in Latakia that is a regime stronghold. She was Alawite, but married a Raqqa man who divorced her about five years ago. She stayed in Raqqa with her son and daughter, now 20 and 25. The resident said Isis told people she was killed for apostasy. “This was the first time someone [...]