Local authorities say the crash happened when a minibus carrying passengers overturned at a curve while on route to the weekly market in the small town of Demnate.

An investigation has been opened to determine the cause of the accident.

The crash comes after a similar incident in August last year left 23 people dead east of the city of Casablanca.

In 2015, a collision between a semi-trailer truck and a bus carrying a delegation of young athletes in southern Morocco killed 33 people.