Bangladesh, March 27 -- A coordinated European law enforcement operation has dealt a significant blow to a sophisticated migrant smuggling network that profited by sending desperate people across the English Channel in dangerously inadequate conditions. The crackdown, led by Europol and Eurojust, revealed a chilling business model in which migrants were provided with flimsy equipment-including tire inner tubes falsely presented as life-saving devices-while criminal organizers pocketed enormous profits.

The operation culminated in synchronized raids across Germany and Belgium on March 25, where authorities arrested four Syrian nationals believed to be key organizers within the network. These arrests followed earlier actions that had alrea...