The police helicopter above Royston (Image: David Hatton)
Armed police were called to reports that four people were fighting with knives in Royston.
Police were called to the Sun Hill area at 12.20pm today.
Local officers attended the scene along with the armed response unit and NPAS (National Police Air Service).
No weapons were located, and enquiries are ongoing.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here