If the Imaam's wudhu breaks, what should he do?

Answer

There are two ways: Istikhlaaf or Istinaaf. Istikhlaaf is to appoint another nearby musalli to continue the Salaat while the Imaam leaves to renew his wudhu. Istinaaf means to terminate the Salaat with one Salaam to the right. In this case the Salaat will be performed anew. Since most musallis will be confused by the Istikhlaaf method, the best is to adopt Istinaaf.