High-ranking security sources, speaking on condition of anonymity, told UPI Abbas met with the chiefs of different security agencies recently in Ramallah.
"The decision was made, was approved by President Abbas and will be implemented soon," said the source.
The al-Aqsa Martyrs Brigades, founded when the Palestinian intifada erupted in late September 2000, has carried out dozens of suicide bombings and other attacks against Israel.
The Israeli army had killed dozens of the group's militants in the West Bank and Gaza, and detained its top leaders, including Marwan Barghouti.
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