A man who was stopped by police in Horsham town centre was found to be in possession of a knife, police confirmed.
Horsham Police warned people to stop carrying knives in a post about the incident on Twitter.
An officer tweeted: "Male stopped in Horsham town centre and found in possession of this blade.
"Knife crime is a national and local issue.
"If you suspect someone carries a knife tell us.
"If you carry one, stop. Get help."
The incident came two weeks after the end of Operation Sceptre, a campaign which saw officers talking to people about knives, which concluded on March 17.
Throughout the week-long campaign, 38 educational establishments were visited and approximately 5,600 young people were spoken to about the impact they felt knife crime had on their community, police said.