The incident comes a month after French soldiers opened fire on a man wielding a machete.
Barcelona defeated PSG 6-1 to complete one of the most dramatic comebacks the Champions League has ever seen.
French prosecutors opened an investigation in December 2015 into the graphic series of tweets by the National Front leader.
Russia says it will veto a UN Security Council resolution drafted by the US, Britain and France to impose sanctions on Syria over allegations of chemical weapons use.
The UN agency tasked with monitoring Iran's nuclear deal with six world powers has issued a report that indicates Tehran is honoring its end of the deal.
French police were searching the headquarters of Marine Le Pen's National Front party west of Paris on Monday in relation to a probe into alleged misuse of European Union funds to pay parliamentary assistants.
Germany, France and Italy have sent the Commission a joint letter that urges the EU executive to re-examine the rules to allow them to block or impose strict conditions on deals involving public security and public order.
In a TV interview in Algiers this week, the centrist said French actions in Algeria, which achieved independence in 1962 after eight years of war, were "genuinely barbaric, and constitute a part of our past that we have to confront by apologising".
Political uncertainty ahead of European elections prompted investors to sell the euro.
European Union's foreign policy chief says the administration of US President Donald Trump gave her confidence that Washington will be committed to following through with the 2015 nuclear agreement.