The <a href="https://en.wikipedia.org/wiki/Federal_Government_of_Belgium" id="mwAZk" rel="mw:WikiLink" title="Federal Government of Belgium">government of Belgium</a> imposes a security <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Brussels_lockdown" id="mwAZo" rel="mw:WikiLink" title="Brussels lockdown">lockdown</a> on <a href="https://en.wikipedia.org/wiki/Brussels" id="mwAZs" rel="mw:WikiLink" title="Brussels">Brussels</a>, including the closure of shops, schools, and public transportation, due to potential terrorist attacks.