On Thursday, balloons and flowers were in front of the Roanoke, Va., studios of WDBJ-TV. A day before, WDBJ reporter Alison Parker and WDBJ photojournalist Adam Ward were killed during a live broadcast. Steve Helber/AP hide caption

itoggle caption Steve Helber/AP

People attend a candlelight vigil in front of the WDBJ-TV station in Roanoke, Va. a day after reporter Alison Parker and cameraman Adam Ward from the station were killed during a live broadcast. Don Petersen/AP hide caption

itoggle caption Don Petersen/AP

Reporter Alison Parker and photojournalist Adam Ward were killed by a gunman Wednesday morning while broadcasting live in Moneta, Va. WDBJ7 paid tribute to the two journalists by sharing this image on Twitter. WDBJ7 via Twitter hide caption

itoggle caption WDBJ7 via Twitter

A security guard for Republican presidential candidate Donald Trump removes Univision anchor Jorge Ramos from a news conference on Tuesday in Iowa. Charlie Neibergall/AP hide caption

itoggle caption Charlie Neibergall/AP

Donald Trump and Fox News are at odds again, after the Republican presidential candidate criticized host Megyn Kelly. "Donald Trump rarely apologizes, although in this case, he should," Fox chief Roger Ailes said. Mark Wallheiser/Getty Images hide caption

itoggle caption Mark Wallheiser/Getty Images