President Trump’s Middle East envoy Steve Witkoff on Wednesday made a rare visit by a U.S. official to the Gaza Strip to oversee the implementation of the fragile cease-fire between Israel and Hamas that he helped broker,

Trump sent Witkoff to ensure the ceasefire agreement advances to the second phase, which will require hashing out more thorny questions about Gaza’s future.

Steve Witkoff helped negotiate the Israel-Hamas ceasefire deal. His visit to Gaza on Wednesday was the first by a senior U.S. official in more than a decade.