A gunman is arrested near the US Capitol after police respond to an incident involving a vehicle nearby. According to the available reports, the arrest occurs around midday on Monday, at or near a barricade located just north of the Capitol building. Police action includes an apparent large on-scene response, with officers swarming the area around an SUV. The reports describe the suspect being taken into custody at the barricade as authorities manage the scene. The information provided in the sources does not include further details such as the suspect’s identity, the circumstances leading to the police response, whether any shots are fired, or what charges may be pursued. It also does not specify whether there are any injuries or whether the vehicle is linked to an attack. Overall, the accounts agree on the core sequence: authorities converge near the Capitol, an SUV draws police attention, and a gunman is arrested at the barricade north of the building around noon Monday.