Photos: Worst Snowstorm In US History, Shuts Down Five States

A fifth of the population of the U.S has been caught in an unprecedented blizzard lockdown today, with residents of five states effectively banned from going outside as states of emergency were declared, Dailymail reports. 

A storm threatening to dump three feet of snow from New Jersey to Massachusetts prompted drastic measures to be taken, with metro systems in New York City and Boston shut and roads closed, leaving cities looking like ghost towns this morning.