Vantage Point

Vantage Point is a 2008 mystery thriller movie from Columbia Pictures, written by Barry Levy and directed by Pete Travis. It stars Dennis Quaid, Matthew Fox, Forest Whitaker with Sigourney Weaver, Édgar Ramírez and William Hurt. It was released on February 22, 2008.
Plot.
United States President Henry Ashton (William Hurt) is participating in an anti-terrorism summit in Salamanca. Over a twenty-three-minute period, an assassination attempt on the President unfolds. The movie loops through this period over and over, each time from the perspective of a different participant, adding a new piece to the larger puzzle with each loop.