I would consider this urgent. The babies are panting and I doubt it is due to heat. I agree with a previous poster saying not to wait. Pls. Take them to the vet tomorrow...communicate very clearly that they must be seen. The little one is already being affected - not eating and drinking is a clear sign something is wrong with their health and well- being.
Good luck and please keep us posted.
Joni
Good luck and please keep us posted.
Joni