Syrian troops on Wednesday crossed briefly into eastern Lebanon's border region of Masharii Al-Qaa and planted mines around the home of a local resident, a Lebanese security official said.
The official, who spoke on condition of anonymity, told AFP the troops entered some 300 metres (yards) inside Lebanese territory and placed the mines outside Mohammad Akeel's home.
But a local resident, Tanios Nasrallah, told AFP the mines were planted on the Syrian side of the border, which is not clearly delineated. "The mines were placed several metres away from the Lebanese border," he said.
Since the outbreak of the revolt against President Bashar al-Assad's regime in March 2011, the Syrian army has on several occasions planted mines along the border with Lebanon to prevent smuggling and rebels fleeing the unrest.
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Earlier Wednesday, Syrian troops also briefly kidnapped a Lebanese man during a cross-border raid in the Bekaa, the security official said.
He said the troops abducted Khaled al-Hujairi in Arsal, a remote border area, and set fire to a shed belonging to the local mayor, Ali al-Hujairi.
A family member contacted by AFP said the man was later handed over to the Lebanese army.
The mainly Sunni Muslim regions of Arsal and Masharii Al-Qaa straddle both Syria and Lebanon and are used as escape routes by Syrians fleeing the unrest in their country.
Assad hails from the minority Alawite community, an offshoot of Shiite Islam.