Four drivers are arrested after an alleged street race ends in a crash on the N1, involving a Mercedes and a City of Cape Town patrol vehicle. Three motorists are arrested at the scene, while a fourth driver is arrested later at the same location.

According to reporting, the crash occurs as the alleged race unfolds, with the Mercedes reportedly colliding with the patrol vehicle. After the incident, the fourth driver is accused of driving drunk through a marked road closure at the scene. Police action focuses on identifying the vehicles and drivers involved in the street racing allegation and investigating the circumstances of the collision.

Across the available accounts, the shared details are the N1 location, the involvement of the City of Cape Town patrol vehicle, the arrest of multiple drivers connected to the incident, and the later arrest of a driver for alleged drunken driving during an active road closure. No additional differing angles are provided in the source excerpt.