Female jackrussel lost in Lucan 30/1/16

1year old jackrussel female missing. All white with a brown head and a brown patch on her back and one around her tale, reasons to believe dog got hit by car and a man passing by who see the accident wrapped her in a blanket and brought her away in a 2011 D Passat. Rang all Dublin vets and some Kildare vets and she's no where to be found. If anyone has information could you please contact me on 0851281874. Reward for dogs return.