Lester Holt, the trusted face of “NBC Nightly News” for the past decade, is stepping down from the newscast this summer. Holt will continue to host “Dateline NBC,” the network’s prime time newsmagazine.

Lester Holt, the anchor and managing editor of “NBC Nightly News” for a decade, announced that he is stepping down from the long-running broadcast at the beginning of the summer. NBC News did not immediately name Holt’s successor.