A look at attacks where vehicles have been used as weapons

The attack on a bike path in New York City, which killed eight and injured 11 others, is the latest example of a driver who used a vehicle as a weapon. Some were orchestrated by extremist groups, others by unstable individuals with unclear motives. Radical groups have urged supporters to use any weapons at hand, including cars, a tactic that presents a major challenge for security forces around the world.Here's a look at some other attacks:___Aug. 17, 2017A rented van veered into Barcelona's cro