Lebanese army troops clashed with terrorists in the country's northeast near the Syrian border Thursday, leaving one soldier and eight gunmen dead, a security official said.

Lebanon has been the scene of frequent violence, including deadly bombings and fighting between jihadists and the army, since war erupted in neighboring Syria in 2011.

Clashes broke out "between terrorists and the Lebanese army" on Thursday near the flashpoint town of Ras Baalbek, the official, who did not want to be named, told AFP. It was unclear which group the jihadists were fighting for.