A 34-year-old man was arrested after allegedly brandishing a Samurai sword in a surburban Huddersfield street.
Armed officers were called to Riddings Road in Deighton yesterday afternoon.
It is understood officers used a Taser to subdue him at around 2.15pm.
It is believed he had been making threats to kill.
Det Insp George Bardell of Kirklees CID, said there appeared to have been some king of neighbourhood dispute prior to the incident.
He said the man was arrested on suspicion of making threats to kill and possession of an offensive weapon.
He is currently in custody helping police with their enquiries.
In unrelated investigations, police would like to speak to the people pictured in the image gallery below. The people pictured in the images may be witnesses as well as suspects. If you recognise anyone, contact police on 101 quoting the reference number on the image caption.
