CNN  —  At least five people have died as Storm Bert swept across the United Kingdom, causing power outages and widespread train and flight cancelations. Dramatic footage which emerged over the weekend showed rivers in Wales, one of the hardest hit areas, bursting their banks to submerge low-lying streets and vehicles parked outside. Rescuers waded through hip-deep water to rescue pets with an inflatable raft, while residents teamed up to manually remove water with buckets. Fatalities during