A Syrian jihadist group linked to al-Qaeda killed 21 regime and allied forces yesterday near Idlib province, in one of the deadliest breaches of a six-month-old truce deal, a monitor said.
"At dawn, 21 fighters from the regime forces or allied militia were killed in an attack by Ansar al-Tawhid jihadists," the Syrian Observatory for Human Rights said.
"Five jihadists were also killed," Rami Abdel Rahman, the director of the Britain-based monitoring group, said.
Ansar al-Tawhid has ties to the larger Hurras al-Deen group, which is also active in the area. Both are considered semi-officials franchises of al-Qaeda in Syria.
The area of Idlib and small parts of the adjacent provinces of Hama and Aleppo are mostly controlled by the rival Hayat Tahrir al-Sham organisation.
HTS is led by fighters who formerly belonged to al-Qaeda's ex-affiliate in Syria.
Yesterday's deadly assault was carried out against regime positions in the village of Masasna, in the north of Hama province, the Observatory said.
"It was one of the highest casualty figures among regime ranks since the Putin-Erdogan deal," the Observatory's Abdel Rahman said.
He was referring to an agreement reached in the Russian resort of Sochi between Russian President Vladimir Putin and his Turkish counterpart Recep Tayyip Erdogan.
Under the September 17 deal, Turkey was supposed to exert its influence over anti-regime groups in the Idlib region to get them to pull back their fighters and heavy weapons from a demilitarised zone.