Even as suburban roads and most major highways in the area reopened, Erie County Executive Mark Poloncarz warned that police would be stationed at entrances to Buffalo and at major intersections because some drivers were flouting a ban on driving within New York's second-most populous city.Erie County Emergency Services Commissioner Dan Neaverth Jr. said officials also were somewhat concerned about possible flooding later in the week when milder weather begins melting the snow.Power had been out for a time at his family's home, he said, so relatives ran a gas stove to keep warm, a practice he acknowledged was dangerous.A group of tourists from South Korea was taken in by a Buffalo family after their van got stuck in the snow."So I decided to veer off course a little bit, go to her address, and I heard her street was completely snowed it, like waist-high in snow.""