A knifeman has been arrested after armed police were seen patrolling in a Norwich park. 

Norfolk Police were called at 4.13pm on Tuesday to reports of a man with a knife making threats at a commercial premises in the city.

Following the incident, armed police were seen in the Wensum Park area but the suspect was not located. 

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However, a man matching the description entered the same store at 1.22pm today and a knife was seen.

A man in his 50s was then arrested on suspicion of possessing an offensive weapon in a public place.

He was taken to Aylsham Police Investigation Centre for questioning where he remains.