The exact date of the bomb attack is 7 February 1962. The bomb
exploded circa 13:15h, at the house 19bis Avenue Victor-Hugo in Paris,
where Andre Malraux lived. The young girl who became the victim of
this attack was 4-year-old Delphine Renard.
The starting time for the anti-OAS demonstration the following day was
18:30h, at the Place de la Bastille. At the same time, there were
first violent confrontations with the police at nearby Rue Saint
Gilles, with several injured. Since it looked like the demonstration
might get out of control, the organizers decided to bring it to an end
about one hour later. When the demonstrators began to leave at around
19:30h, a massive police forcibly pushed them back to Charonne métro
station. This was the point when the riot began. Later, 8 dead were
counted (5 at Charonne station, 3 at Voltaire station). 110
demonstrators were injured, one of whom died some days later. The
police had 140 injured.
Hope this answers your question!
Historia: L'attentat de trop (in French)
L'Humanité: Souvenir. Le 8 février 1962, ils manifestaient pour la
paix en Algérie et contre l?OAS (in French)