Flash flooding in Bucks County, Pennsylvania has resulted in the deaths of at least three people and four more are unaccounted for. The flooding occurred after 6-7 inches of rain fell in the area in less than an hour. The Bucks County Fire Department is currently searching for the four missing people and urging anyone with information to contact them. They are also urging people to be aware of their surroundings and take necessary precautions when flooding is expected.