Mobilized-inclined extremists or fringe actors using trucks to block roadways and bridges as a grievance tool may launch vehicle-borne attacks — explosive-laden or otherwise — on a convoy’s target. Learn more about this security risk. 

Parliaments, often subject to arson, gunfire, bombings, domestic terrorists, and mobs, are under attack. Recent events, such as the 2021 U.S. Capitol riot, underscore the urgency to recalibrate security measures around legislatures worldwide.