Police have sealed off a street in York.
A patrol car is blocking the entrance to Carrnock Close, a small street off Geldof Road in Huntington, York
Firefighters and an ambulance are also at the scene.
North Yorkshire Police said officers attended a property in the close on Thursday morning (September 8). A 27-year-old man was arrested at 10am on suspicion of intending to supply a class A drug, and being concerned in the production of a class A drug.
The force spokesperson said:
Members of the public are asked to avoid the area while the emergency services work at the site. There is no identified risk to the wider public.