Dyfed Powys Police are appealing for witnesses to the incident, which took place on Berriew Street, Welshpoolshortly before 1 am.

A 21-year-old man was taken to hospital, while an 18-year-old man was arrested on suspicion of assault. He was later released on bail.

Police have appealed for anyone with information or who witnessed the incident to contact them.

A spokesman for the force said: “Police were called at 1am on Sunday morning, October 27, to an allegation of assault in Berriew Street, Welshpool.

“A 21-year-old man was transported to the hospital where he remains in a stable condition.

“An 18-year-old man was arrested on suspicion of assault and later released on bail pending further police enquiries.

“Anyone with information which could assist officers in their investigation is asked to report it to Dyfed-Powys Police, either onlineby email to [email protected] or by calling 101.”

Deaf, hard of hearing or speech impaired people can text the non-emergency number 07811 311908.

Alternatively, people can contact Crimestoppers anonymously on 0800 555111.