WASHINGTON — President Donald Trump visited victims of this week's mass shooting in Parkland, Fla. at a Broward County hospital Friday evening, praising first responders and medical staff for their "incredible" work following the incident that resulted in the deaths of 17 students and adults at Marjory Stoneman Douglas High School. Trump said he and first lady Melania Trump met with victims during his stop at Broward Health North Hospital. The president also visited the Broward County sheriff's office, where he was greeted by Sheriff Scott Israel, as well as Detective Richard Olsen and his son, Will, who was shot during the Wednesday incident.