Police arrest two men on suspicion of explosives offences as authorities declare a major incident and evacuate about 200 homes in Derby
Derbyshire Police say it is not being investigated as a terrorism incident
A short while ago, a controlled explosion was carried out after police warned residents they "may hear a bang"
The evacuation zone was put in place after officers executed a warrant based on "intelligence about materials at the address", the force says
Evacuated residents should prepare to be out of their homes for 24 hours - see which streets have been affected here
Residents have been collecting their belongings and pets as they face a night away from their homes
Edited by Rebecca Sherdley
Derbyshire Police continued: "The force is working closely with colleagues from Derbyshire Fire and Rescue Service, East Midlands Ambulance Service and Derby City Council.
"This is not being investigated as a terrorism incident, there is no wider risk to the community, and the evacuations are a precaution to ensure the safety of those in the area."
Good afternoon and welcome to our live coverage as a major incident has been declared in Derby, with about 200 homes evacuated following a warrant at an address in Vulcan Street.
The "evacuation zone" was put in place after officers carried out a warrant "acting on intelligence about materials at the address", Derbyshire Police said.
Two men, one in his 40s and one in his 50s, have been arrested on suspicion of explosives offences. They remain in custody.
More to follow.