A college in Aylesbury has issued a statement on why emergency services were at the site.
Police cars, fire engines and ambulances were seen outside Aylesbury College on Oxford Road and a cordon was in place.
Luckily, there was no actual incident as the college confirmed students were taking part in a 'mock major incident' exercise.
The college said: "Please be aware that students at the College are taking part in a 'Mock' Major Incident Exercise at our Aylesbury Campus.
"Please do not be alarmed by the presence of the Emergence Services. This is not a real emergency!"
Worries residents quickly took to social media wondering why there were emergency services present at the scene.
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 The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.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 hereComments are closed on this article