The autopsy of the victim's body has delivered its first results.
The 28-year-old man killed late Monday afternoon in the Maurepas district of Rennes died after receiving "a single blow from a cutting instrument to the heart", the public prosecutor said on Thursday. of Rennes in a press release.
Another 24-year-old man, who knew the victim, was also slightly injured in the brawl.
If the circumstances and the motive remain unknown for the time being, the investigators have nevertheless succeeded in determining the place of the attack.
The victim was stabbed while she was in a Citroën C1 type vehicle which had been lent to her and "which was driving on the avenue de Rochester", specifies Philippe Astruc.
An outbreak of violence in the neighborhood
Investigations are now continuing to identify the perpetrators, the precise number of which has not been established.
They are carried out under the authority of an investigating judge following the opening of a judicial investigation for murder and attempted murder.
In addition to this tragedy, several acts of violence have shaken the neighborhood in recent days.
Friday evening, a man had thus received two stab wounds in the back at 6 alley of Brno.
A few hours later, it was an apartment not far from there that had been targeted by gunfire.
Five people occupied the accommodation at the time of the incident, but no one was injured.
No connection between these cases has yet been established.
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Miscellaneous facts
Murder
Investigation
Assault
Police
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Brittany