New threat: ISIL has released a video showing one of its fighters in Iraq vowing to attack Washington the way Paris was attacked. The nearly 12-minute video shows unidentified fighters praising Friday's attacks and calling on Muslims in France to "ignite and kill soldiers and tyrants."
American solidarity: Secretary of State John Kerry arrived in Paris on Monday, the first senior Obama administration official to visit France since the terrorist attacks. Kerry planned to meet with French officials and U.S. Embassy staff members and their families.
Climate protests: Activists say they want to go ahead with plans to march in Paris before the U.N. climate summit later this month despite the attacks. A coalition of activist groups said they intend to "hold all the mobilizations currently planned," including a march set for Nov. 29, the day before the conference begins. Demonstrations have been banned after a state of emergency was declared.
Blue, white and red: The Eiffel Tower, which dimmed its lights in mourning, has been relit in blue, white and red. The 116-year-old international symbol of Paris will remain lit up in the colors of the French flag for three nights. The tower reopened to visitors Monday afternoon.
Friendly soccer match: Kensington Palace announced that Prince William will attend Tuesday's friendly match in London between England and France amid heightened security following the Paris attacks. London Mayor Boris Johnson also plans to attend. London police said that security plans have been reviewed "in light of the tragic events in Paris."
Norwegian police: Police say they have postponed a decision to go unarmed following the Paris attacks and will carry guns until next month. Norwegian police, who have traditionally patrolled streets unarmed, had been carrying weapons for about a year as a temporary measure.
Dual citizenship: French President Francois Hollande wants the constitution changed so that the government can revoke the citizenship of convicted terrorists born in France who have dual nationality. Under current French law, citizenship revocation can only be applied to people who have been naturalized, if they have dual nationality.
Polish worries: Poland's Catholic Church has expressed concern about security at next summer's meeting of youth with Pope Francis. More than 2 million young Catholics are expected to take part in World Youth Day in Krakow July 25-31.