The Lebanese army said one person was killed and two wounded during a search for suspected militants at refugee camps near the border with Syria, and security sources said the number detained in the past two weeks had reached about 450.

The army has been stepping up efforts to prevent fighters from Syria using the Lebanese border town of Arsal and surrounding areas as a base. Arsal was the scene of last month of the deadliest spillover of fighting in the three-year civil war in Syria and is also home to tens of thousands of refugees.

The Lebanese army said soldiers had shot at three people on a motorbike who were trying to set fire to parts of a refugee camp during the raids, killing one and wounding the other two. […]