At least four are killed in Pennsylvania flash floods, with up to a dozen more ... trends now

At least four people are dead and up to a dozen more are missing after flash flooding and several inches of rain rocked southeast Pennsylvania just outside Philadelphia on Saturday night. 

About four inches of rain an hour were falling in Bucks County during the heart of the storm at around 5:30 p.m., officials said. Dean Iovino with the National Weather Service said more rain fell in two hours than the city of Las Vegas gets in a year.

The flooding was so bad it flooded cars with people already inside them, which county officials said caused their deaths and another family to go missing. At least one bridge was seen in visible disrepair.

Two women and one man were found dead in the Washington Crossing area of Upper Makefield Township. The identity of the fourth person dead has not been made public.

Officials in Upper Makefield said that the remaining missing include a family of four, with a two-year-old and a nine-month-old.  

Bucks County Coroner Meredith Buck said that the number is likely to get higher. 

'The number of fatalities could climb,' she told the Philadelphia Inquirer. 'It's only beginning, sadly.' 

'There's a lot of water rescues happening right now. There's a lot going on,' she added, with Iovino saying there may be as many as a dozen missing. 

He noted that the county's proximity to the Delaware River made it 'a problematic area' for flooding and the flash flood was narrowly focused on it. 

At the peak of the storm, neighboring police departments announced that they were helping with a search and rescue operation for those lost in the flooding.

Police in Upper Makefield said in a Facebook post that much of the town had fallen victim to the flooding.

'We apologize for not keeping you updated,' they wrote. 'We have been dealing with search and rescue missions. There are numerous places on the

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