Police are trying to track down the person who dumped a mother dog and 17 puppies along a road near Indiana Dunes in Porter County.
A passerby says she spotted the puppies Friday night.
She and other residents watched the puppies until an animal control officer arrived to take them to the animal shelter.
The mother dog was captured on Monday.
Officials say the puppies appear to be from two different litters and are labrador retriever mixes.
They could be ready for adoption as soon as Saturday.
Police are asking anyone with information about who dumped the dogs to call Porter County Animal Control.