In 1976, with strategic planning help from the Lebanese Army, the alliance of Christian militias, spearheaded by the National Liberal Party of former President Cammille Chamoun militant branch, the noumour el ahrar (NLP Tigers), took a pivotal refugee camp in the Eastern part of Beirut, the Tel al-Zaatar camp, after a six-month siege, also known as Tel al-Zaatar massacre in which hundreds perished. Arafat and Abu Jihad blamed themselves for not successfully organizing a rescue effort.