There's a witness appeal after an incident in Victoria Park in Worthing, where a man was seen holding a sword.
A report was made to police at around 2.30pm yesterday (Sept 26).
Armed officers came to the scene and arrested a 19-year-old man from Worthing on suspicion of affray. He was taken into custody, where he remains.
Anyone who was in the area, and has any relevant information, is asked to report it to police online, or by calling 101, quoting serial 691 of 26/09.