There was a separate shooting that may be related. The story’s really evolving fast, with Sky now reporting the guy who died at the airport had previously exchanged gunfire with police on an approach road.
Orly’s south of Paris, that first shooting was north of Paris. Still in fairly close proximity, though.
BBC has updated its version at link with the notion of shooting at different location before the airport incident.
Also possibly related:
The French interior minister, Bruno Le Roux, is due to visit the airport, south of Paris, later. ... .
From 10 Feb: Four people arrested in France 'for planning imminent terror attack
https://www.theguardian.com/world/2017/feb/10/people-arrested-in-montpellier-france-for-planning-imminent-terror-attack
Also possibly related:
The French interior minister, Bruno Le Roux, is due to visit the airport, south of Paris, later. ... .
From 10 Feb: Four people arrested in France 'for planning imminent terror attack
https://www.theguardian.com/world/2017/feb/10/people-arrested-in-montpellier-france-for-planning-imminent-terror-attack