A 30-year-old man was killed and four others were injured as a cooking gas cylinder exploded in a house in Gosaiganj area here, police said on Thursday.

The victim, Rajesh Kumar Singh, was cooking food on Wednesday night when the LPG cylinder burst due to leakage. Rajesh died on the spot while four others, who were tenants in the house, sustained injuries. They were rushed to hospital where their condition was stated to be stable.