✸Car bomb at the Joint Forces HQ in Sidon, and the Chekka blast

On 17 September 1981 a car carrying some 300 kilograms of TNT exploded outside the regional headquarters of the PLO and the Joint Forces in Sidon, killing between 21 and 23 and wounding 96, and the same day a bomb exploded at the cement works in Chekka (4 to 10 dead). Over the next three days came a car bomb in Hay al-Sellom in the southern suburbs (18 September, 3 dead), a bomb at the Salwa cinema in Barbour in West Beirut (20 September, 4 dead and 28 wounded), and a car in the South on 28 September. The "Front for the Liberation of Lebanon from Foreigners" claimed the operation.