At least five attacks were mounted on gas pipelines in the first five weeks of the year, according to UK-based global risk analytics firm Maplecroft.
The militant groups Ansar Beit al-Maqdis and the Furqan Brigade are the most active of several terrorist groups railing against the overthrow of Islamist president Mohammed Morsi's administration last summer and the crackdown on Islamism that followed in its wake.
The
