Using surveillance footage and witness video and accounts, CNN has pieced together a visual timeline of the attack ... had been standing on the corner. Panic and fear surged through the crowd ...

Dealing with an anxiety attack can seem overwhelming, but there's a method that anyone can use that could be a game-changer.

Two surveillance images, released after the attack by the FBI ... into a group of people who had been standing on the corner. Panic and fear surged through the crowd as the driver accelerated ...