Officers are warning those with fireworks to buy a licence.
It's after they recovered unlicensed fireworks from a group of youths in Newry when they stopped a car last night.
They're warning those that flout the law risk injuring themselves, friends and the public.
They could also find themselves before a magistrates court facing charges of possession of an offensive weapon.
More than 200 police officers assaulted in NI over Christmas period
Minister halts business rates process after hospitality backlash
Tributes paid to man who died after car crashes into shop in Co Tyrone
Four more Santander branches to close in Northern Ireland
Mike Nesbitt to retain position as Health Minister