ROUGH CUT (NO REPORTER NARRATION)<br/> <br />President Barack Obama called the shooting in Canada on Wednesday "tragic" and said it reinforced the need for vigilance.<br/> <br />Obama, speaking to reporters at the White House, said he did not yet have information on the motivation of the shooter or whether he was part of a broader network.<br/> <br />Obama said it was important for Canada and the United States to be in sync when it came to dealing with terrorist activity.
