Nice - French Prime Minister Manuel Valls was booed in Nice on Monday before and after the minute of silence for the victims of the deadly Bastille Day attack.
Shouts of "Murderers!" and "Resign!" rang out as Valls and two ministers left the seafront where a huge crowd gathered to remember the 84 people mowed down on July 14 by truck driver Mohamed Lahouaiej-Bouhlel, an AFP reporter said.
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Emotions in France have been running high since the 31-year-old Tunisian rammed a 19-tonne truck into a crowd leaving a fireworks display, leaving a trail of crumpled bodies in his wake.
Opposition parties have accused the Socialist government of not doing enough to prevent the third major attack in France in 18 months.
The government has attempted to fend off the criticism, saying that Lahouaiej-Bouhlel had no known links to jihadist networks and claiming he became radicalised only recently.