Among those arrested is Colonel Mohamed Emmanuel Zoungrana - a well-known former army commander who has reportedly been critical of the government.

The justice ministry on Tuesday said an investigation on the matter had begun.

The last coup in Burkina Faso took place seven years ago when a controversial military unit loyal to the ousted and exiled president, Blaise Compaoré, seized power.

The current leader, Roch Marc Christian Kaboré, made significant changes to the government last month at a time while under pressure to counter frequent attacks by Islamist militants.