Hollywood stars Robert Downey Jr and Tom Holland have joined their "Avengers: Endgame" co-star Chris Evans in sending sweet messages to a young boy who saved his sister from a dog attack. Six-year-old Bridger saved his four-year-old sister on July 9 by standing between her and a charging dog.source https://www.indiatvnews.com/entertainment/hollywood/robert-downey-jr-tom-holland-send-messages-to-boy-who-saved-sister-from-dog-attack-635597
