Valletta Council has expressed concern that young people, possibly under the influence of drink, are endangering themselves when they relax on top of the bastions.
Mayor Alexiei Dingli n a statement said the council was concerned by the behavior of groups of young people, many of them adolescent, who first drink alcohol then commit vandalism and later risk their own lives by grouping on top of the bastions.
The council has been in contact with the police and is considering ways to avoid a tragedy.
The council said it is also appealing to parents to do what they can to avert danger.