The Greenburgh Police Department responded to the on Central Park Avenue earlier this evening. A tactical response unit was also on scene.
The Pizza Hut store was closed and police barriers were in place.
Voicemails left for the public information officer at Greenburgh Police were not immediately returned. Scarsdale Police had no information about the incident.
A call and email to Pizza Hut's media relations corporate office were not immediately returned.
A call to the Pizza Hut store in Scarsdale went unanswered.
An employee at Panera said Panera is open and only that Pizza Hut was closed.