<p>PARIS &mdash; French firefighters tackling a fire set deliberately in a school in the northern city of Lille were pelted with projectiles by people in nearby buildings, authorities said. </p>
<p>The incidents Thursday night come amid rising tensions between the northern region’s citizens and police, as lockdown restrictions and perceptions of government elitism have led to frustration in poorer areas.</p>
<p>Lille Mayor Martine Aubry firmly condemned the act of “voluntary arson.”</p>
<p>No one was injured in the fire, which was extinguished very quickly.</p>