South Wales Police have confirmed that an 18-year-old man has been arrested in connection with the stabbing which occurred in Barry earlier this evening, and he is in police custody.
Earlier this evening, police launched an investigation after a man was stabbed in the leg on Barry Island.
The 17-year-old male victim required hospital treatment, but his injury is not life-changing or life-threatening.
Details of an incident began circulating on social media late on Bank Holiday Monday.
Detective Superintendent Lisa Gore, said “We have arrested a suspect, and at this stage we are not looking for anybody else.
“We understand this has caused significant concern, and we will have an increased presence in the area over the coming days to reassure people.
"I would like to thank those who have assisted our investigation so far."
Anybody who may have witnessed the incident is urged to make contact – give reference 2600163243.

Vueling withdraws winter flights to Aicante this winter
Playground in Barry forced to close after fire damages equipment
Campaigners Take Fight for Fairer Pathways in Welsh Women’s Football to Parliament
Vale Councillor Gwyn John Launches His First Novel at Llantwit Major Book Signing
Pink poppy display commences with celebration of life
Former Barry office block converted into new homes for people at risk of homelessness
Welsh Government publishes independent report on Level 4 intervention at Cardiff and Vale UHB
Three CoastSnap stations set to be installed along the Glamorgan Heritage Coast
Daffodil Runner statue installed at Marie Curie Hospice in Penarth
Woman Dies After Incident in Leckwith as Police Investigation Continues
Vale entrepreneur wins national Innovate UK award for sustainable construction technology
Cardiff Airport retains top accessibility rating as regulator reports record demand for assistance
Open Doors event to showcase hidden world of Glamorgan Archives
New details have emerged of a new tree-lined public square that will replace a traffic dominated junction
Dyffryn Gardens’ Edwardian rose garden blooms again after decade-long restoration
Barry’s Own Daniel White to Walk 190 Miles Back to Where His Round Table Story Began
1,300 people attend Flying Start Family Fun Day
Dispersal order put in place to tackle anti-social behaviour
Interim Chief Executive Appointed at Cardiff and Vale University Health Board
Cardiff Theatre Marks 50 Years of Service for Long‑Standing Staff Member