( CNN ) -- Toronto 's rush hour Monday turned into anything but -- as a deluge from a summer storm inundated the city , swamping commuters whether they traveled by rail or by road . Passengers on a double-decker Go Transit train found themselves dead in the water when a flash flood submerged the line , leaving them ankle-deep in the murky mess and in need of rescue . `` These trains are capable of carrying quite a large number of passengers , '' said transit spokesman Mark Ostler . Evacuations lasted into the early hours of Tuesday as passengers shimmied out train windows and into rescue boats . `` ( S ) tranded passengers on board ... were safely removed and taken to a place of safety , '' police said . The heavy rain quickly overwhelmed Toronto 's storm sewers , sending the Don River out of its banks . Almost 5 inches of rain fell at Pearson International . Airport , breaking a record set in 1954 , according to Environment Canada . Nearly 4 inches fell in the heart of the city . The Don Valley Parkway looked more like a parking lot than Toronto 's main north-south artery as drivers abandoned their vehicles while the waters lapped at their headlights , CNN affiliate CTV reported . The thoroughfare was closed in both directions overnight . A pricy Ferrari was one of the casualties , left by its owner to soak in the bumper-high pool of an underpass . The storms also caused power outages and flooding across the city . Toronto flooding was like 'end of the world ' At the storm 's height , Toronto Hydro reported some 300,000 residents were without power across the greater Toronto Area , according to CTV . `` My power outage lasted for about five hours , but luckily , my neighborhood did n't have any flooding issues , '' said Angie Filipowich in neighboring Mississauga . `` So much rain in so little time . I do n't ever remember seeing all this flooding here ... ever . '' Are you there ? Share photos , video , but stay safe . Police advised residents to stay put overnight , reminding them that if they do travel to avoid standing water , downed power lines and to watch for rising rivers , streams and lakes . Brakes disabled before train exploded in Quebec town , railway chief says . CNN 's Cristy Lenz and Tina Burnside contributed to this report .
NEW : `` So much rain in so little time , '' a resident says . Record rains flood Toronto . Passengers are evacuated from a partially submerged commuter train . A man is killed when he falls off the roof of his house while trying to rescue his wife and children.