A London-based violence monitoring group reports that Syrian forces and rebels have been struggling for control of the Syrian village of Jamla, close to where the UN peacekeepers were detained.
A statement on the group's website said:
The Syrian Observatory received a footage reporting that rebel fighters will not released [release the UN personnel] until regular forces withdraw from the area.
The Jamla village and its surrounding areas have witnessed violent clashes in the past couple of days.
Rebel fighters from several factions took hold of the Mortar division and several checkpoints in Jamla.
More top news
The national child abuse inquiry is to hold its first hearing on Monday, beginning with the child migration programme.
Monday will be a breezy day for many, especially in the south.
Three-quarters of Britons polled said they would support more sex and relationship education in schools.