Bitterly cold temps return to Brooklyn

Residents awoke Sunday morning to the return of last week's bitterly cold temperatures, turning Friday's mild temperatures into a distant memory.
Temperatures plummeted Saturday night, sending an arctic chill through the borough.
Residents are being urged to be on the lookout for icy patches that may have frozen over.
Temperatures are expected to remain chilly through the course of the week, with the chance for some mixed precipitation Tuesday into Wednesday.