The NYPD will be on high alert at next week’s Greenwich Village Halloween Parade — where costumes can provide ... could aid in the concealment of weapons and identities,” the memo says.

Jenner, 27, then shared her costumes (yes ... boots and a futuristic space weapon. She then shared a few close-up selfies of her Halloween makeup and captioned the post, “halloween eve.” ...

We can’t let kids celebrate Halloween? Give me a break ... But inflatable costumes, masks, makeup and costumes with weapons are banned until the last hour of the day, Majeed said.