Wellington District crime manager Detective Inspector Nick Pritchard said a young person has been arrested and charged with assault with a weapon.
“We would like to reassure the community that this was an isolated incident involving parties known to each other,” he said in a statement.
“There is not anticipated to be any risk to the wider public.”
Police ask anyone who saw yesterday morning’s events or has information to come forward.
Call 105 and quote reference number 260402/6956, or share information anonymously through Crime Stoppers on 0800 555 111.