This week, security in Egypt's Sinai peninsula is in the spotlight after the Metrojet plane crash. The Islamic State group claims it was behind the disaster which killed all 224 people on board, most of them Russian. If confirmed by investigators, this would have enormous implications for Egypt’s economy and government.
Next, we see how the Syrian army is resorting to trench warfare to defend the capital Damascus, using tactics from a century ago.
Finally, we find out why people are staying away from the ancient city of Petra in Jordan, one of the seven wonders of the world.