diana diez, 7 news. >> lynn: coming on satellites, two drivers in canada caught in their truck falling into a giant sinkhole, splashing in the waters below. they were towing a layup trailer when the ground gave in, and form workers were nearby and ced to the rescue. >> they had to come out the window and they were standing on the roof to keep above the water. the city workers were down a little bit, and they ran over and got the ladders off the truck, but more wet and cold and obviously, very cold water. >> lynn: besides getting soaked in that cold, cold water, the drivers are okay. the cityfficials say a water main break caused d e sinkhole to form. >> danielle: a demolition scare caught on camera in texas. the workers were working to take it down near houston, but when it was time to demolish, i came down faster than expected, crashing onto an excavator thank flee once the dust settled, the crew member was able to walk away without a scratch. >> lynn: a log cabin in virginia, caught on fire with the family still inside. they were able to get out before the roof collapsed. hour-by-hou