Source: http://www.wsj.com/articles/al-qaeda-claims-algeria-gas-plant-attack-1458388632

“Al Qaeda on Saturday claimed responsibility for a rocket attack on an Algerian gas plant, threatening more operations against Western oil companies.

Early Friday, attackers launched homemade rockets at the Krechba gas plant, which is run by the U.K.’s BP PLC, Norway’s Statoil ASA and Algerian state-run gas company Sonatrach.

In statement republished by extremist monitoring group SITE on Saturday, al Qaeda’s Algeria-based franchise al Qaeda in the Islamic Maghreb claimed responsibility for the attack and threatened both the Algerian government and Western companies.