[An Nahar] A hand grenade went kaboom!by accident at 8:00 am Sunday in the al-Briksat neighborhood of the Ein el-Hellhole Paleostinian refugee camp, causing no casualties, the National News Agency reported.
The camp had witnessed violence overnight after a dispute over "children playing with firecrackers" escalated into an armed clash between the Islamist Usbat al-Ansar and Jund al-Sham groups.
The clash in the camp’s al-Tawari neighborhood resulted in the wounding of a relative of a senior Usbat al-Ansar official after he was shot at the hands of Jund al-Sham member Hassan M., aka al-Shibel, the agency said.
The restive camp had witnessed a week of deadly festivities last month between the secular Fatah Movement and small Islamist groups led by the Lions of Islam Bilal Badr and Bilal al-Orqoub.
By longstanding convention, the Lebanese army does not enter Paleostinian refugee camps in Leb, leaving the Paleostinian factions themselves to handle security.
Ein el-Hellhole -- the most densely populated Paleostinian camp in Leb -- is home to some 61,000 Paleostinians, including 6,000 who have fled the war in neighboring Syria.
Several armed factions including hard boy groups have a foothold in the camp which has been plagued for years by intermittent festivities.
[ENGLISH.ALARABIYA.NET] The government of the United Arab Emirates formally endorsed on Saturday the designation of 82 organizations, including Egyptâs Muslim Brotherhood and the Islamic State of Iraq and Syria (ISIS), as terror groups, in line with a federal law on combating terrorism.
Two people were killed on Saturday in clashes between members of the Fatah faction and Sunni Islamist militants at a Palestinian refugee camp in south Lebanon, camp officials said. 
Earlier on Saturday, gunmen from both sides fired machineguns and rocket- propelled grenades, Palestinian sources said. Rival fighters exchanged fire for almost two hours on the main street of the densely-populated camp outside the southern port city of Sidon, a Palestinian official added. Gunshots were subsequently heard in the city of Sidon itself, with a Fatah leader saying that one person from the movement was killed. 
The first military examining magistrate 
Ein El-Hilweh Refugee Camp, Lebanon - For three months, Abeer Qandaqli and her sister-in-law, Farida al-Shaabi, moved from house to house amid the rubble of a besieged Palestinian refugee camp, surviving on canned food, as their husbands - both Islamic militants - waged a battle against the Lebanese army.
NAHR AL BARED, Lebanon: Lebanese troops advanced for the first time yesterday into a Palestinian refugee camp as they battled Al Qaeda-inspired militants, and two soldiers were killed raising the military death toll to 100. 
Lebanese troops fought close-quarter battles with al Qaeda-inspired militants at a Palestinian refugee camp in north Lebanon on Sunday while an Islamist activist was gunned down in the south. 
As Ya Libnan has reported earlier clashes broke out between the mainstream Fatah organization and Jund al-Sham extremists in the southern refugee camp of Ein el-Hilweh according to reliable sources. The fighting later escalated to include the Lebanese army when Jund al-Sham militants threw a grenade at the army post which resulted in injuring a civilian and a Lebanese army soldier. New reports say Usbat-al-Ansar has joined Jund al-Sham in their fight against the army and are also firing at the civilians in the camp. The report added: " fighting continues at camp of Ein el-Hilweh and that the Lebanese army has received reinforcement."