A number of guns and what is believed to be an explosive device have been discovered in the search at a property in Hyde yesterday evening.
The house on Newton Hall Road was raided say police following intelligence from partner agencies.
Two men aged 28 and 58 were arrested on suspicion of possession of a firearm. They remain in police custody for questioning.
Police have said that the incident is not terrorism related
Detective Chief Inspector Richard Ennis of GMP’s Tameside Borough, said: “As we remain at the scene on Newton Hall Road, I’d like to thank the local people for their patience in what has been a long and disruptive day.
“Thanks to information from our partners, we have been able to take positive action and prevent these weapons from making their way onto the streets of Hyde; preventing any risk to people’s safety.
“I understand seeing bomb disposal officers in the area may be alarming to some people, especially following recent events, but I’d like to reassure you that we have this situation under control and have acted quickly to avoid any further disruption or threat to the community.
“I’d also like to reassure people that this investigation is not terror related and officers will remain at the scene throughout the night and may continue to be there tomorrow.
“If you have any concerns or information that may aid our investigation, please feel free to approach them.”