This article might be helpful. http://www.columbusrabbit.org/strays.php
I’ve been involved in a couple of rescues, some are easy, but most aren’t that easy. Besides banana, which is mentioned, you can try apple or pear to lure a bunny to you.
Make sure that you have carriers at hand to quickly get the rabbits into. Tell people how difficult it can be to hold onto a rabbit, so they should get them in the carrier right away. If they slip out of your grasp, they could get injured, or they will run off and you will likely never get them. Be sure not to chase them, but to corral them toward a fence or structure, or in a garage, then close in on them.
The article mentions using x-pens to create a place to corral them into. I have found that it’s also helpful to put a few of the wire cube squares together to use to carry around with you to block off access or to help you catch a rabbit that might run out from under a structure. The x-pens are too heavy to carry around and are more for permanent placing of a corral, but the wire cube squares are more lightweight to carry around. If you put together 6 squares, that makes something light enough to carry, which is useful in using for blocking off or capture.
You can use a Hav-a-Hart trap, baited with fruit, but it would have to be monitored closely, You don’t want the rabbit in there long, since it can injure itself from fright or a predator can come upon it. You also have to make sure that other animals, like possums, don’t go in and get trapped.