Days af­ter se­nior po­lice of­fi­cials shut down a mil­lion-dol­lar birth­day cel­e­bra­tion at Beetham Gar­dens, au­thor­i­ties have ob­ject­ed to the host­ing of a dance­hall con­cert sched­uled for the up­com­ing week­end on the ba­sis that it pos­es a threat to pub­lic safe­ty.