ABC News Live: FBI searches Brian Laundrie’s family home in Gabby Petito case

Plus, Pfizer says its vaccine is safe and effective for children as young as 5, and the Biden administration plans to require foreign visitors to the U.S. be fully vaccinated. WATCH the ABC News Live Stream Here:    • LIVE: Latest News Headlines and Events l A...   SUBSCRIBE to ABC NEWS: https://bit.ly/2vZb6yP Watch More on http://abcnews.go.com/ LIKE ABC News on FACEBOOK   / abcnews   FOLLOW ABC News on TWITTER:   / abc   #ABCNLUpdate #Pfizer #GabbyPetito #JoeBiden #FBI