Fencing is to be erected on a cliff top to deter people from falling to their death.
Nine people have been killed in falls at Black Rock in Brighton, close to the Asda supermarket at the Marina.
In several cases, verdicts of suicide have been recorded at inquests following the deaths.
A meeting has been held between Asda staff, police, landowner Brighton and Hove Council and Kemp Town Labour MP Des Turner.
It was agreed that measures were needed to prevent more deaths.
Dr Turner said it was vital to carry out this work after a number of fatal falls in recent months.
He said the deaths were not only upsetting for the families involved but also for Asda staff, who have often been on the scene.
The cliffs are about 90ft high at this point with an uninterrupted drop on to the Undercliff Walk.
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