Updated

France's prosecutor's office says three people have been arrested in southern France as part of the inquiry into last March's Toulouse terror attacks.

The arrests come just 10 days after President Francois Hollande, speaking in Toulouse, said that France is tightening its intelligence-gathering to prevent further terror attacks like that of radical Muslim Mohamed Merah, who police say killed three Jewish schoolchildren, a rabbi and three paratroopers a year ago.

Agnes Thibault Lecuivre of the prosecutor's office said two people were arrested late Tuesday in Toulouse, adding that one of the arrests took place in the gritty Les Izards neighborhood where Merah spent some of his childhood. A third person was arrested on Wednesday morning in the nearby town of Castres.

No charges have been brought.