Motherless Puppies..πŸ˜”

So this morning we found out our dog passed a way in a tragic accident. She got hung in a fence and her collar started chocking her. When ever we finally saved her it was to late and there was nothing we could do. She's let behind 4 puppies who are only 3 weeks old and we have no idea what is safe to feed them. Could anyone please help or give any suggestions??? πŸ’”πŸΆ