Mali attacks
Strike kills six in Mali in disputed circumstances
It was the second time in recent months that an air strike had led to such opposing versions of what happened.
The quarterly report also found 50 extrajudicial killings in late May by Burkina Faso troops in the village of Boulkessi, and settlements close to the nation's Mali border.
The unrest deeply worries Mali's neighbours and allies, who fear a country bloodied by a jihadist insurgency could slide into chaos.
Militants attacked a military base in the northern town of Bamba early on Monday morning, according to a local government official, who called the assailants 'terrorists' and said at least 20 soldiers had died.
In recent days, some 30 Malian soldiers were killed in an attack in northern Mali blamed on jihadists, without drawing any sharp reaction from the Security Council.
An Islamist insurgency erupted in the north of the vast west African state in 2012, claiming thousands of military and civilian lives since.
The outpost in Bambara Maoude, about 100 kilometres south of the city of Timbuktu "was the object at about 0500 GMT of a terrorist attack", teh military said.
Thirty-one people were killed in an attack overnight in Ogossagou, a village mainly inhabited by Fulani people, while eight soldiers were killed in an ambush in the central Gao region and another in an attack on a military camp in Mondoro.