Police investigating the murder of 23 year old Jamal Jones in Southampton on Saturday have been granted more time to question four people.
The 36-year-old woman and three men aged 41, 21 and 18, all from Southampton, remain in custody.
A 21-year-old woman arrested in connection with the murder has been released on police bail pending further inquiries.
A post-mortem examination on the victim’s body revealed he died as a result of a shot gun wound to the head.
Anyone with information about the incident should contact the Hampshire Major Investigation Team by calling 101, quoting Operation Emetic, or Crimestoppers anonymously on 0800 555111.
More top news
She had been with friends at the station at 11pm the previous evening. Officers are now working to find out how she ended up on the tracks.
Thursday morning's weather for the east of the region
Thursday morning's weather for the west of the region