The Lebanese army arrested three individuals late on Thursday near the northeastern border town of Arsal over suspected links to extremists.
The army arrested Syrian national Hussein Abdul Rahman Rahmoun in Wadi Hmeid, after an attempt to sneak through the outskirts into the town of Arsal. He is also suspected of having links to militant groups, said the army in a statement.
It also arrested Lebanese nationals Ousama Sadallah Ammoun and his brother Iyad in the same area, over suspicions of having links to a militant group.
The army clamped down on 21 Syrians in al-Masnaa area in Bekaa after an illegal attempt to enter Lebanon.
Ten more undocumented Syrians were arrested in Akkar. Four cars in their possessions were confiscated for lacking the legal documents. READ MORE OF THIS STORY