Images show officers searching the area around Alexandra Road and rummaging through bins for evidence.
An 18-year-old died in hospital after being stabbed in Alexandra Road on Friday evening (March 11).
Ambulance paramedics were called to the scene just after 9pm where the victim had been found in the road with serious stab wounds.
He later died in hospital.
A 20-year-old and a 19-year-old have both been arrested on suspicion of murder.
To read the original report, click here
To read about the second arrest, click here
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