A 25-year-old man killed a 55-year-old after finding him with his mother at home in Mulund, the police said. The police arrested Ravi Ghate on Tuesday under section 302 (murder) of the IPC.

The incident took place on Monday when Ghate returned home and found his mother with Devendra Singh. Police said, enraged, Ghate started kicking and beating Singh, who died after being assaulted for nearly 15 minutes. The police were informed about Singh's death by Ghate's mother.