The London terror attack puts new focus on the use of vehicles as deadly weapons. In the past year, vehicle attacks in Ohio, Germany and France have killed and injured dozens of people. Don Dahler reports on some of the counter measures.
The London terror attack puts new focus on the use of vehicles as deadly weapons. In the past year, vehicle attacks in Ohio, Germany and France have killed and injured dozens of people. Don Dahler reports on some of the counter measures.
