Foyle Search and Rescue volunteers were involved in this morning's operation.
Thermal imaging was used this morning to locate a person 'in distress' in Derry.
Details of the incident were outlined by a spokesperson for Foyle Search and Rescue who were involved in the operation.
The charity's spokesperson said at 5.15am the PSNI activated FSR's pager system to reports of a person in distress.
"Our Emergency Response Team along with NIFRS and PSNI attended the scene.
"After a joint search with the Northern Ireland Fire & Rescue Service involving the use of thermal imaging a person was located at 05:50hrs.
"The person was then transferred to hospital by the Northern Ireland Ambulance Service. Appreciation to PSNI, NIFRS Teams, NIAS and CCTV for their assistance."
If you need support and help please don't do it alone reach out:
If you have a story or want to send a photo or video to us please contact the Derry Now editorial team on 028 7129 6600 for Derry City stories Or 028 7774 3970 for County Derry stories. Or you can email firstname.lastname@example.org or email@example.com at any time.
Subscribe or register today to discover more from Derrynow.com
Buy the e-paper of the Derry News and the County Derry Post here for instant access to Derry's premier news titles.
Keep up with the latest news from Derry with our daily newsletter featuring the most important stories of the day delivered to your inbox every evening at 5pm.