LUCKNOW, June 8 -- An argument between two brothers turned fatal in Jankipuram Extension on Sunday when a 21-year-old died after allegedly being attacked by his elder brother with a gas cylinder.

The deceased has been identified as Aryan Mishra, 21, a resident of Sector-3, Jankipuram Extension. His elder brother, Abhishek Mishra, 24, has been taken into police custody for questioning.

The police official said that the two brothers got into a heated argument at their home. The verbal spat soon escalated into a physical fight. During the altercation, Abhishek allegedly hit Aryan with a cylinder, causing severe injuries.

Family members and relatives rushed the injured youth to the Trauma Centre in Lucknow for treatment where doctors decla...