Hisham Shreidi lived in the Palestinian refugee camp of Ain al-Hilweh

Ain al-Hilweh

Ain al-Hilweh is the largest Palestinian refugee camp in Lebanon with over 70,000 refugees, located on the outskirts of the port of Sidon. Because Lebanese Armed Forces are not allowed to enter the camp Ain al-Hilweh has been called a "zone of unlaw" by the Lebanese media...

 in Lebanon

Lebanon

Lebanon , officially the Republic of LebanonRepublic of Lebanon is the most common term used by Lebanese government agencies. The term Lebanese Republic, a literal translation of the official Arabic and French names that is not used in today's world. Arabic is the most common language spoken among...

 and was the founder of sunni extremist group Osbat al-Ansar

Osbat al-Ansar

Osbat al-Ansar or Asbat an-Ansar is a Lebanon-based Sunni fundamentalist group established in the early 1990s which professes the Salifi form of Islam and the overthrow of the Lebanese-dominated secular government...

. During the Lebanese Civil War

Lebanese Civil War

The Lebanese Civil War was a multifaceted civil war in Lebanon. The war lasted from 1975 to 1990 and resulted in an estimated 150,000 to 230,000 civilian fatalities. Another one million people were wounded, and today approximately 350,000 people remain displaced. There was also a mass exodus of...

 in the 1980s Shreidi was a leader of the Islamic Association, a sunni fundamentalist group. However in 1986 he was expelled due to his alleged ties with Iran

Iran

Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

. Shortly after being expelled from the Islamic Association Shreidi formed Osbat al-Ansar. In 1990 Shreidi and his group supported a failed uprising against the al-Fatah militia

Militia

The term militia is commonly used today to refer to a military force composed of ordinary citizens to provide defense, emergency law enforcement, or paramilitary service, in times of emergency without being paid a regular salary or committed to a fixed term of service. It is a polyseme with...

 which dominated Ain al-Hilweh. On December 16, 1991 Shreidi was murdered by al-Fatah gunmen. His position in Osbat al-Ansar was succeeded by Abu Mohjen. His two sons Abdullah Shreidi

Abdullah Shreidi

Abdullah Shreidi was a Palestinian who lived in Ain al-Hilweh in southern Lebanon and was the founder of Osbat al-Nour. Abdullah Shreidi was the son of Osbat al-Ansar founder Sheik Hisham Shreidi. Abdullah formed Osbat al-Nour in 1991 after his father was killed by al-Fatah members...

 and Mohammed Shreidi

Mohammed Shreidi

Mohammed Shreidi was the youngest son of Sheik Hisham Shreidi founder of Osbat al-Ansar. After the killings of his father in 1991 and his older brother, Abdullah Shreidi in 2003 by the al-Fatah militia in Ain al-Hilweh. Shreidi attempted to lead Asbat al-Nour when he was 18 years old...

were also later assassinated apparently by al-Fatah. The elder brother Abdullah died from gunshot wounds in July 2003. Mohammed Shreidi died in February 2004 after attempting to lead Osbat al-Ansar in a turf war against al-Fatah in Ain al-Hilweh.