NEWYou can now listen to Fox News articles! Good morning and welcome to Fox News’ morning newsletter, Fox News First. And here’s what you need to know to start your day …TOP 31. Iran issues threat after Trump announces ‘humanitarian gesture’2. Former New York City Mayor Rudy Giuliani hospitalized3. Mass shooting at lake party leaves multiple victimsMAJOR HEADLINESUNDER INVESTIGATION — Flight with 221 people onboard hits light pole and truck while landing. Continue reading …LEFT BEHIND — Mostly empty government flight exposed while rescue groups fielded hundreds of pleas. Continue reading …DRILL DISAPPEARANCE — Two US service members missing in Morocco…