6 AM ET: Biden's NATO promise, Gaza famine, plane landing investigated & more

President Joe Biden opened this week's NATO summit in DC by promising more air defenses for Ukraine. Meanwhile, a sitting Democratic senator says Biden can't win in November's election. More than 100 million people are under heat alerts today. The UN says a famine has now spread across the whole Gaza strip. Plus, two planes have tried to land and take off at the same time - from the same runway.

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