Thiruvananthapuram | A 38-year-old man was allegedly beaten to death following a drunken brawl at Vizhinjam here, police said on Friday.

The deceased has been identified as Suman S.

He was found lying on the roadside near Port Palace Bar in Mukkola, Vizhinjam, at around 12.10 am.

Police have taken four people into custody, officials said.

According to police, a group including Achu and Ananthu was involved in a fight with another person at the bar on Thursday night.

When Suman intervened to dissuade them, they allegedly turned against him and attacked him, police said.

Though Suman ran out of the bar, Achu and Ananthu chased him and continued the assault, police added.

During the incident, two others-Suryajith and Krishnaprasad-were allegedly recording videos.

Achu and Ananthu did not stop the attack even after Suman was lying motionless, police said.

Passersby later intervened and shifted Suman to a hospital, where he was declared dead.

Vizhinjam police have registered a murder case and started an investigation.

Police said Achu, Ananthu, Suryajith and Krishnaprasad, were heavily drunk and will be interrogated further to ascertain the full details of the crime.

The body will be handed over to relatives after the postmortem, police added