What is the news item mainly about? [originaltext] Airline passengers left st

Airline passengers left stranded by a freak snowstorm that pounded the Northeast and Mid-Atlantic states were waiting to get to their destinations on Sunday, many after spending a restless night on cots or airport floors.
    More than 4 million people in _at least five states were without power on Sunday as the storm moved offshore. Up to five deaths, some in traffic accidents, were blamed on the storm.
    Other forms of travel were also impacted.(10)An Amtrak train with 48 passengers on board was stuck for nearly 13 hours when a rock slide resulting from the snow storm blocked the tracks near Palmer, Massachusetts, said Amtrak spokeswoman Vernae Graham.