TEL AVIV, Israel (AP) — Special envoy Steve Witkoff and the U.S. president’s son-in-law Jared Kushner were in Israel Monday to shore up the tenuous ceasefire that’s holding in Gaza , a day after the fragile deal faced its first major flareup with Israel threatening to halt aid transfers after it said Hamas militants had killed two soldiers. The U.S. Embassy said the two envoys had landed in Tel Aviv. The Israeli military later said it resumed enforcing the ceasefire, and the official confirmed