The Election Day arrest of a man attempting to bring a flare gun, lighter and "accelerant" into the U.S. Capitol is reigniting simmering concerns among lawmakers about security around the 2024 election.

WASHINGTON—An arrest Tuesday at the Capitol of a man who police said was carrying a torch and smelled like fuel underscored Election Day anxiety gripping the nation’s capital. U.S. Capitol Police halted tours for visitors for the rest of the day in order to investigate the incident.

American media report that the police detained a man who had a torch and a flare gun with him. Additionally, there was a strong smell of gasoline coming from him. The incident took place on the grounds of the Capitol in Washington.