Enquiries are still going on at a property in Bideford following an incident yesterday (Wednesday).
A cordon was put in place at an address in Bridge Street yesterday morning after officers responded to concerns for a woman’s welfare.
Today (Thursday) the cordons have remained in place.
A 73-year-old man was detained under the explosives act yesterday and it is understood he remains in custody.
This afternoon police, fire and ambulance staff were seen at the scene.
A police spokesman said: “Specialists on behalf on fire are there as we speak.
“They are making a final assessment in relation the property and its safety.”
Yesterday police officers complained of feeling unwell at the address, prompting a response from the ambulance Hazardous Area Response Team and fire crews.
A search of the property found items required analysis from specialist officers and a bomb disposal team.
Devon and Cornwall Police said there is not believed to be any risk to the public, and the officers treated are unharmed and have returned to duty.
A statement from Devon and Cornwall Police earlier today said: “Whilst at the address, some of our officer complained of feeling unwell and were immediately removed from the scene and a cordon put in place.
“The ambulance Hazardous Area Response Team (HART) attended and treated these officers, all of whom are unharmed and have since returned to duty.
“Following searches within the property, a number of items were found which require expert analysis from specialist officers and an Explosive Ordnance Disposal (EOD) team.
“The house has been evacuated and enquiries are ongoing at the property.
“Officers have sought specialist advice and it has not been deemed necessary to evacuate any other properties; there is not believed to be any wider public risk at this time.”