Review Stolen of a phone by Dana personnel

i booked a flight from lagos to abuja today 24/04/2021 with this booking number MZXRJW and i checked in with two bags. i have a new small phone in one of the bags, Geeting to Abuja, i found out that one of the bags have been tampered with. In the cause of Opening the bag, the new small phone has been stolen.The bags were checked in by AYO (********)