Officers in the capital arrested the young man, who lives in the northern outskirts of Paris, at his home last Thursday, after being alerted when he inquired online about purchasing a Kalashnikov assault rifle. The man previously convicted of terrorist-related activity in 2016.
"The last decade was a cruel one for Europe", Macron tells a rare joint session of the French parliament.
A French military intervention in January 2013 turned back a separatist movement in Mali's north, but various armed groups still stage attacks.
On Monday, Macron said he would lift the state of emergency imposed upon the country since November 2015 later this year.
The French leader last month set out a tough new antiterrorism law created to allow the lifting of the state of emergency, which has been extended five times.
Lexington, Louisville mayors ask exemption from travel ban It did so in the form of an official travel ban to states whose LGBT laws it deems too conservative - among them Tennessee. A new Kentucky law would allow student organizations at state schools to block LBGT people from membership.
Despite this murder threat, the parade will continue to take place on Champs-Elysees on July 14. The incident involved several suicide bombings near a soccer match, several shootings and a hostage situation and mass shooting at a concert.
Speaking at a special parliamentary session Monday in Versailles, Macron promised to "restore the freedoms of the French" after almost two years under a state of emergency.
In his first address to members of the National Assembly and Senate since his election in May, Macron delivered a US-style state of the nation speech in the Versailles palace, the former seat of French kings, saying the country must change.
Mr Macron also pledged tougher new measures to prevent any new attack "without pity. without weakness".
The jihadists have been largely driven out of this region by an global military intervention launched in January 2013 at the initiative of France, and which continues now.
In his address Macron committed to strengthening the European Union after Britain's vote to exit.
Macron also said he wants to abolish of the Court of Justice of the Republic, a special French institution established in 1993 that hears cases against ministers accused of misconduct.
76ers to sign Redick to 1-year, $23M deal
The Philadelphia 76ers have struck early in National Basketball Association free agency, signing former Clippers guard J.J. Redick, 33, was ranked No. 25 on the list of top available free agents this offseason compiled by ESPN's Kevin Pelton.
Mainland China Launches Bond Trading Link with Hong Kong
China's $9trn (£6.9trn, €7.9trn) bond market is the third-largest in the world but only 2% of mainland bonds are foreign owned. BNP Paribas said it had received approval as a market maker and had also executed its first trade under the scheme.
Amy Childs' family connection to new Love Island star
Jonny is a really nice guy and on paper they really match up, but I think he wanted a bit more excitement when he was in there. I told him to go for it in the first place, no disrespect to Camilla, I said he should give her a shot.
Djokovic into semi-finals at Eastbourne, Kerber out
I think my service is definitely my biggest weapon and if it's working it causes the other player a lot of problems'. The three time Wimbledon champion will face Slovakia's Martin Klizan in the first round at SW19 next week.