During the attack by “bandits” on Saturday the toll was “16 dead, six injured and one missing”, Tahoua department secretary-general Ibrahim Miko said on public television.

He attended the funeral of Lieutenant Maman Namewa, commander of the patrol which was attacked.

The vast desert area of Tahoua in the west of the country sits close to the borders of both Mali and Burkina Faso and has been plagued by militant violence since 2012.

In March, an attack by suspected militants on three villages near Niger’s border with Mali left a total of 141 people dead, according to the official toll.

They were the worst attacks committed by suspected militants in Niger in recent years.

The world’s poorest nation according to the UN’s development rankings for 189 countries, Niger is also struggling with Islamist insurgencies that have spilled over from Mali and Nigeria.

The attacks in western Niger are often attributed to groups affiliated to Al-Qaeda and Islamic State.

Such attacks against civilians have multiplied this year, with over 300 people killed in villages and encampments in western Niger.