Eleven others at the Ibn Khaldoun Centre are reported to have been detained since Mr Ibrahim's arrest.
BBC: Rights groups press Egypt over arrests
2.
Lebanon's divisions are so deep that any intervention by the country's security forces risks making matters worse, according to Khaldoun al-Charif, an adviser to Prime Minister Najib Mikati.
WSJ: Syria Sends Shocks Through Lebanon, Mideast
3.
The old-fashioned sailing vessels remain an integral part of trade in the emirate enabling the fast and efficient transport of dates and other foodstuffs, says Khaldoun Asmar, CEO of Barari Group.