A simmering Islamist rebellion in a remote corner of Mozambique has erupted into open warfare in recent weeks, with reports of massacres, beheadings and the brief seizure of two towns in the northern province of Cabo Delgado, writes BBC Africa correspondent Andrew Harding.
The armed men walked calmly through the long grass, skirting past a large white building, seemingly untroubled by the sound of gunfire.
Most carried automatic rifles and wore variations of what appeared to be Mozambican army uniforms. A few more shots rang out in the distance and someone shouted “Allahu Akbar” – God is the greatest – as if in reply.