Authorities are searching areas that includes the Shiawassee National Wildlife Refuge in southwest Saginaw county for a pack of 7 to 12 wild dogs that killed a large domestic dog and were reportedly seen attacking a deer.

The search, which is being conducted by land and air, aims to humanely trap the dogs, however, one dog believed to be part of the pack was recently killed.

Authorities are warning the public, particularly in the area of the Shiawassee National Wildlife Refuge, to keep a close eye on kids and pets and to report any unusual animal activity by calling 911, as the dogs are being considered a public safety concern and capturing them is a priority.

A wild dog specialistwith the U.S. Department of Agriculture Wildlife Office has been called in and is already on the case, and until all the dogs are captured, Saginaw County Sheriff Bill Federspiel says Greenpoint Nature Center, on the north side of the Shiawassee National Wildlife Refuge, will be closed.

A Saginaw resident recently reviewed footage from her trail camera and discovered images of the dogs on her property in mid-May, as seen below, MLive reports.