Such issues are to be handled by your airline’s Ground Handling Agent.
If you are still inside the Baggage Reclaim Area, kindly approach the respective desk located on the left-hand side of the escalators.
If you have exited the Baggage Reclaim Area and you are currently inside the Welcomers’ Hall, kindly approach the respective ground handling agent windows, which are located on your left-hand side upon exiting the Customs Area outside our Baggage Reclaim Hall.
The contact details of the ground handling company responsible for each of our airlines may be found here: https://www.maltairport.com/passenger/flights-landing/airlines/