Question– “Three of our sinks leaked over night. It was very cold and our hoses were plugged into the outdoor faucets. We took everything out from under the sinks, put down towels and containers to collect any new leak, and turned off the water to the sinks. We also unscrewed the outside faucets, they were not frozen, and covered them. What could the problem be and what are the next steps?” 

Answer– In our opinion, you may have had or still do have frozen pipes.  We would recommend calling a local plumber to come out to inspect your home to see if you still have frozen pipes.