The U.S. Capitol Police arrested a man Thursday for driving in a grassy area near the Capitol. This comes as the first test since the D.C. Metropolitan Police Department embraced a “heightened security posture” city-wide in light of the terrorist attacks in Las Vegas,

Police arrested a man Thursday morning who they say drove a vehicle along a sidewalk on the Capitol complex grounds, sparking concern a day after the driver of a pickup truck killed 15 people in New Orleans in a suspected terrorist attack.