Detectives are investigating a link between a string of serious crime in Ipswich over an eight-hour period, including gun use and an arson attack.
At 1.30am today a resident in Nacton Crescent called police reporting that a gun had been fired at the front door of their property.
No one was injured but a bullet casing was recovered at the scene.
Police believe this is connected to an earlier incident in Fuchsia Lane, where gunshots where heard around 7pm yesterday.
Officers rushed to the scene but no one was found to have suffered any injuries and there was no evidence to suggest live ammunition was fired.
At 8.35pm yesterday police stopped a Mini Cooper in Alnesbourn Crescent, off Ravenswood Avenue, and arrested the three occupants on suspicion of possession of firearms in connection with the Fuchsia Lane incident.
The three, a 20-year-old man, a 21-year-old man, and a 32-year-old woman, who are all from Ipswich, were taken to Martlesham Police Investigation Centre where they remain for questioning.
The Mini Cooper was seized by police and a firearm was also recovered nearby.
The alleged Fuchsia Lane shooting happened in the vicinity of Lightfoot House, run by Suffolk probation service.
The hostel accommodates offenders released from prison on licence.
Suffolk Constabulary is also exploring the possibility that these two gun crimes are linked to a fire at a property in Dandalan Close around 7.30pm yesterday.
A window was smashed and furniture set alight inside the property. Police are treating the blaze as arson.
No one was hurt in any of the incidents, police have confirmed.
More suspects are being hunted by police and anyone with information is urged to get in touch.
Contact Ipswich CID on 101 quoting reference 21366/17, or Crimestoppers anonymously on 0800 555 111.
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