MumbaiA former Indian Navy man, Dhananjay Kumar Sinha,54, was arrested by the Kalyan rural police (Titwala) on Monday on charges of killing a senior citizen near Khadavli railway station. Khadavli station, on the Mumbai suburban rail network’s central line, is around 58km from Mumbai city.The deceased, identified as Kanu Jadhav,72, was hit with a bamboo stick on his head, and succumbed to injuries by the time he was rushed to hospital.Police officials said both Jadhav and Sinha used to work as porters and had been staying in Khadavli railway station premises for the past several months.On Monday afternoon, the two of them were sitting on a bench at the station and got into a heated argument over who was occupying how much space. Pradeep Kasbe, police inspector from Kalyan rural police station (Titwala), said: “They were good friends and were talking to each other, but during conversation, Sinha got angry with Jadhav for not giving him enough space to sit. This led to a fight, and in a fit of rage, Sinha picked up a bamboo stick lying on the ground and hit Jadhav on his head with it.”Jadhav’s relatives spotted the fight and rushed over to see him lying unconscious bleeding profusely, the police said. “He was rushed to hospital, but was declared dead on arrival. Then, his relatives and other people caught Sinha and handed over him to us,” Kasbe said. Sinha was arrested under section 302 (murder) of the Indian Penal Code and has been remanded in police custody.