Unidentified gunmen carried out at least two attacks on Anadarko Petroleum Corp. employees Feb. 21 in northern Mozambique, Bloomberg reported Feb. 22. In the first attack, about 15 gunmen opened fire on a convoy of contractors and injured four to six of them about 5 p.m. as they were returning to a camp near Palma. In the second attack, a contractor working on a nearby airstrip for the company was killed. Some reports said the worker at the airstrip had been beheaded, a tactic associated with local militant group Ahlu Sunnah Wa-Hamo....