Islamist militants killed at least 15 Syrian civilians from the in the central Syrian city of Adra on Wednesday and Thursday.
Witnesses, activists and Syrian state media accused the Islamic Front, an alliance of several large militant groups, and the al Qaeda-linked "al-Nusra Front" of carrying out the attacks.
One woman in Adra, , told "Reuters"that armed men from the Islamic Front and the al-Nusra Front entered her family's house around 3 a.m. on Thursday and took her son, adding that the militants said her son would be returned, but he was still missing on Thursday afternoon.
Activists on social media said some residents had fled the city while others were hiding in their basements.
Several blamed the Army of Islam, an Islamic Front member group led by Zahran Alloush, and some put the death toll as high as 40, but these reports could not be independently verified.
State news agency "SANA| said the army was sending troops to "restore security" in the city , stressing that terrorist groups belonging to al-Nusra Front infiltrated the residential area of Adra in the suburbs of Damascus and attacked residents in their homes,"