November 2015 Paris attacks

=== Belgium ===
{{further|2015 Brussels lockdown}}
Belgium immediately on 13 November tightened security along its border with France and increased security checks for people arriving from France.<ref name=GuardNov15 />

Starting on 21 November 2015, the [[Federal Government of Belgium|government of Belgium]] imposed a security [[lockdown]] on [[Brussels]], including the closure of shops, schools, public transportation, due to information about potential terrorist attacks in the wake of the series of coordinated attacks in Paris.<ref name="Guardian">{{cite news |title=Brussels in lockdown after terror threat level is raised to maximum |url=https://www.theguardian.com/world/2015/nov/21/brussels-locked-down-after-terror-threat-level-raised-to-maximum |newspaper=The Guardian |date=21 November 2015 |access-date=21 November 2015 |archive-url=https://web.archive.org/web/20151121164054/http://www.theguardian.com/world/2015/nov/21/brussels-locked-down-after-terror-threat-level-raised-to-maximum |archive-date=21 November 2015 |url-status=live  }}</ref><ref name="BBC">{{cite news |title=Brussels shutdown as manhunt for Paris fugitive Abdeslam continues |url=https://www.bbc.com/news/world-europe-34892680 |newspaper=BBC News |date=21 November 2015 |access-date=21 November 2015 |archive-url=https://web.archive.org/web/20151121235309/http://www.bbc.com/news/world-europe-34892680 |archive-date=21 November 2015 |url-status=live  }}</ref><ref name="Live">{{cite news |title=Paris attacks: Brussels on high alert |url=https://www.bbc.com/news/live/world-europe-34889312 |newspaper=BBC News |date=21 November 2015 |access-date=21 November 2015 |archive-url=https://web.archive.org/web/20151121121359/http://www.bbc.com/news/live/world-europe-34889312 |archive-date=21 November 2015 |url-status=live  }}</ref><ref name="NYT">{{cite news |last1=Higgins |first1=Andrew |last2=de Freytas-Tamura |first2=Kimiko |title=Brussels Placed at Highest Alert Level; Subway Is Closed |url=https://www.nytimes.com/2015/11/22/world/europe/brussels-placed-at-highest-alert-level-subway-is-closed.html |newspaper=The New York Times |date=21 November 2015 |access-date=21 November 2015 |archive-url=https://web.archive.org/web/20151121134334/http://www.nytimes.com/2015/11/22/world/europe/brussels-placed-at-highest-alert-level-subway-is-closed.html |archive-date=21 November 2015 |url-status=live  }}</ref><ref name="NBC">{{cite news |last1=Jamieson |first1=Alastair |last2=Winter |first2=Tom |last3=Akyavas |first3=Aziz |last4=Lavanga |first4=Claudio |title=Brussels on Terror Lockdown Amid Threat of Paris-Style Attack |url=https://www.nbcnews.com/storyline/paris-terror-attacks/belgium-raises-threat-level-brussels-highest-possible-level-n467431 |newspaper=NBC News |date=21 November 2015 |access-date=21 November 2015 |archive-url=https://web.archive.org/web/20151121030526/http://www.nbcnews.com/storyline/paris-terror-attacks/belgium-raises-threat-level-brussels-highest-possible-level-n467431 |archive-date=21 November 2015 |url-status=live  }}</ref> One of the perpetrators of the attack, Belgian-born French national [[Salah Abdeslam]], was thought to be hiding in the city. As a result of warnings of a serious and imminent threat, the terror alert level was raised to the highest level (four) across the Brussels metropolitan area, and people were advised not to congregate publicly, effectively putting the city under [[lockdown]].<ref name="Guardian" /><ref name="BBC" /><ref name="NYT" /><ref name="NBC" />