Complete the following sentence: At the same time though, the arrival of civilian refugees went along with an increasingly strong presence of Palestinian Militants. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk> <unk> <unk> <unk>
️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ PLO leadership under Yasir Arafat relocated to Lebanon, where it essentially created a state within a state and recruited young fighters - known as "fedayeen" - in the refugee camps.