The 'Islamic State of Iraq and the Levant' and al-Nusra Front have been clashing on Lebanon's border as the rift between them deepens.
The Fatemiyoun Brigade and Zainebiyoun Brigade, comprised of Afghan and Pakistani Shia mercenaries, are fighting for the Syrian government.
Electronic units from Gulf Co-operation Council member states would work together to dismantle terrorist groups by monitoring their online activity.
A new video that shows very young boys executing men who oppose the 'Islamic State of Iraq and the Levant' is blatant child abuse, experts say.
A major regional conference in Egypt looked into ways to enhance preventative legal and criminal approaches to terrorism.
Rights activists are calling on the Yemeni government to help raise awareness about al-Qaeda's attempts to recruit women.
The 48th Cairo International Book Fair, this year focused on youth and the future, brought hundreds of publishers to the Egyptian capital.
Basic services are lacking and conditions are bad in areas of Iraq and Syria under 'Islamic State of Iraq and the Levant' control, local residents say.
Arab and international experts gathered in Amman earlier this month to explore tactics to fight terrorism and enhance regional co-operation.
The Lebanese militia's intervention in Syria's war has led to growing discord within the party's membership and supporters, analysts say.