Multiple outlets report that the M23 motorway near Gatwick Airport is closed following a serious crash. The closure is confirmed by National Highways and is described as running between junction 8, at the M25 junction, and junction 10 near Crawley. Several reports characterize the incident as fatal or serious and note it occurs during rush hour, leading to major disruption on approach routes. One source says the crash is near an airport exit, while others specify the section of motorway affected by the shutdown. Updates across the reports indicate that traffic is building and that motorists face significant delays as the motorway remains closed. The information focuses on the impact on road travel and the confirmed stretch of the M23 that is shut, but does not provide consistent additional details about the cause of the crash, the number of casualties, or the timeframe for reopening. Overall, the accounts agree that the M23 closure near Gatwick is the main development affecting commuters and travelers in the area.