U.S. Ambassador to Israel Mike Huckabee also visited Gaza "to learn the truth about" Gaza Humanitarian Foundation sites.

CAIRO/JERUSALEM, Aug 1 (Reuters) - President Donald Trump's Middle East envoy became the first high-profile U.S. official to visit Gaza since the war began, touring a U.S.-backed aid operation on Friday that the United Nations says is partly to blame for deadly conditions in the enclave.

U.S. President Donald Trump's Mideast envoy on Friday visited a food distribution site in the Gaza Strip operated by an Israeli-backed American contractor whose efforts to deliver food to the hunger-stricken territory have been marred by violence and controversy.