[Velveeta]

Marshall Martin, on the roof, passes 3-month-old Christopher Collins to New Orleans Fire and Rescue officer Jonathan Pajeaud while the child's grandmother, Sheila Martin, waits on a water craft during evacuations in the 7th Ward of New Orleans on Monday. (AP)

[Velveeta]

Melanie Seaman, left, and her daughter Miranda sit on the detached roof of a relatives home on Washington Avenue in Pascagoula, Miss., on Monday. (AP)