A PSNI spokesman confirmed ‘a concern for a man’s safety’ had been reported.
Sean McCarry from the Community Service confirmed their organisation was involved ‘with a person who we are concerned for’.
Pictures show emergency crews alongside and on boats on the river, in the Ormeau Road area of Belfast.

5.
Emergency services are at the scene of an ongoing rescue incident at the River Lagan in Belfast.Rescue 199, the coastguard helicopter, is now overhead assisting with the search operation. Photo: PRESSEYE

6.
Emergency services are at the scene of an ongoing rescue incident at the River Lagan in Belfast.Rescue 199, the coastguard helicopter, is now overhead assisting with the search operation. Photo: PRESSEYE

7.
Emergency services are at the scene of an ongoing rescue incident at the River Lagan in Belfast.Rescue 199, the coastguard helicopter, is now overhead assisting with the search operation. Photo: PRESSEYE

8.
Emergency services are at the scene of an ongoing rescue incident at the River Lagan in Belfast.Rescue 199, the coastguard helicopter, is now overhead assisting with the search operation. Photo: PRESSEYE

