Facebook Safety Check is a way to let loved ones know you're OK or check on loved ones in the area affected.
President Donald Trump called the deadly truck rampage in New York City, "...another attack by a very sick and deranged person." See what other politicians and notable figures are saying.
Facebook Safety Check is one of several ways to let loved ones know you're OK following an emergency or locate friends and family in an affected area.
Follow along with a real-time account of the New York City truck attack, beginning at 3:05 p.m. ET when the suspect allegedly began driving down a bike path, hitting cyclists and pedestrians.
