Syrian regime forces made gains Sunday in the key town of Nabuk, one of the last rebel-held areas in the Qalamoun region bordering Lebanon, a watchdog said.

“There is fierce fighting in Nabuk between government forces, backed by Lebanese Hezbollah fighters, and Al-Nusra Front and the Islamic State of Iraq and the Levant,” the Syrian Observatory for Human Rights said.

The monitor, which relies on activists and medics on the ground for its information, said President Bashar al-Assad’s troops have taken “new sectors of the town”. […]