Six killed in clashes between Palestinian factions in Lebanese refugee camp

Clashes broke out in Ein el-Hilweh camp after an assassination attempt on an Islamist militant.
The fighting involved Fatah and rival Islamist factions using heavy weaponry.
A Fatah military general was later assassinated, escalating tensions.
Attempts at ceasefire failed to stop clashes that caused residents to flee.
The Lebanese army reported injuries to soldiers but does not enter the camp.