Dave Ramscar, chief fire officer from Lincolnshire Fire and Rescue, said the event helped to highlight the broad range of jobs firefighters were trained for.
The two hearings highlight the differences between the different legislative approaches to immigration and the wide range of options Americans have on the issue as well.
Others used the occasion to highlight campaigns to urge young Pakistanis to vote in the upcoming elections, or to raise awareness on a range of social issues.