The leader of the Shi'ite sector in Lebanon, Musa al-Sadr, mysteriously disappeared in Libya in the 1970s. A new book claims that the imam, who did not fit into the agenda of the Iranian revolutionary leaders, was killed by Muammar Gaddafi at the Ayatollah Khomeini's instruction.

Op-ed: Herzog's statement about the non-viability of peace these days is a big step in the right direction for the Labor party. If only it can let go of fantasy and embrace reality, it can improve Israeli politics on both sides of the aisle.

Analysis: A massacre by chemical weapons in Syria in 2013 led to Russia and the US forcing Assad to give up on his arsenal of non-conventional weapons. But recent reports suggest that the regime is using Sarin gas against the opposition – and that the rebels themselves are using chemical weapons as well.