BEIRUT/ANKARA Lebanon on Saturday launched the fourth stage of its plan to collect weapons from Palestinian refugee camps, according to local media reports. The army began receiving arms from the Beddawi camp in northern Lebanon and Ain al-Hilweh camp near the southern city of Sidon, the An-Nahar daily reported. Security was tightened around the camps during the process. The initiative follows earlier stages during which the army collected weapons from several camps: Burj al-Barajneh in Beirut’