West Mercia Police is now appealing for witnesses after the incident unfolded in Layamon Walk, in the Stourport area.
It is reported that two men chased a group of four children, aged between eight and 14 years old, with what is believed to be a machete and a knife.
It took place at around 3.30pm on Monday, February 15.
A spokesman for West Mercia Police said: "No-one was injured in the incident.
"Enquiries are on-going into the incident and police are appealing for witnesses.
"The suspects were both wearing black clothing and hats, one had a green jacket on."
Anyone with information is urged to call PC Reece Miller from West Mercia Police on 101, quoting reference number 22/11781/21. PC Miller can also be contacted by emailing firstname.lastname@example.org.
Alternatively, witnesses can call Crimestoppers anonymously on 08000 555111.