Second-floor smoke alarm at Cross Street home Heard on: Nassau County Fire - Battalion 7 00:09 00:00 (number withheld) Cross Street, Hilltop Drive, for a 2nd-floor smoke detector active. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. 00:00 (number withheld) Cross Street, Hilltop Drive, for a 2nd-floor smoke detector active. 00:08 from ADT. 7/29/2026 07:43 AM Fire Cross St, Locust Valley, NY 11560 View on map