An investigation is underway after a young man was taken against his will by a gang of masked thugs to a flat in Bury.
Police were called to Fletcher Court in Radcliffe just before 7.30pm on Sunday night to reports of "suspicious circumstances".
It is understood the victim - who is in his 20s - had been taken to the flat from an address in Whitefield by four men wearing balaclavas.
He was found safe at the scene by police, but there was no sign of the men.
Detectives launched an investigation and two properties - the flat in Radcliffe and another property in Whitefield - were searched.
Officers remained at the scene into Monday morning. The dog unit was also reportedly drafted in to help.
GMP said that a "quantity of drugs and ammunition" were found during the searches and a man, aged 21, was arrested on suspicion of possession with intent to supply.
He remains in custody for questioning.
The force said in a statement: "Shortly before 7.30pm on Sunday, police were called to Fletcher Court in Radcliffe to reports of suspicious circumstances.
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"Early enquiries suggest that a man – who is in his 20s - had been taken against his will by a group of men from an address in Whitefield to Fletcher Court.
"He was later safely located by officers.
"The four offenders – who had fled prior to police arrival - were described as wearing balaclavas at the time of the incident.
"Detectives are currently working to trace those responsible.
"Officers have conducted a search at two properties in Radcliffe and Whitefield and have recovered a quantity of drugs and ammunition.
"A 21-year-old man was subsequently arrested on suspicion of possession with intent to supply.
"Enquiries are ongoing."
Anyone with information is asked to contact police on 101 quoting log number 2698 of November 3.
Information can also be passed via Crimestoppers anonymously on 0800 555 111.
