An unidentified driver was apprehended by the US Secret Service after crashing a van into a security barrier near the White House on Wednesday, amid heightened national security concerns.The Metropolitan Police Department confirmed no injuries and cleared the scene, while top government officials have relocated to military housing due to recent threats.This event follows several violent incidents across the USA and North America, including a fatal shooting in Austin and an assault on the US consulate in Toronto.Investigators are currently questioning the suspect to determine the motive behind the collision as formal criminal charges remain pending.