The cordon surrounding a property in Grimethorpe, Barnsley has been further reduced to include just three houses last night.
Two were arrested yesterday morning, on suspicion of offences under the Firearms Act, a 57-old woman and 58-year-old man They both remain in police custody.
Local residents who were originally evacuated are being advised that they can now return safely to their homes.
All roads in the area have now been reopened.