The Shivaji Nagar police arrested a 32-year-old man for killing one and injuring three others around 3.15pm on Thursday. According to the police, the accused Arvind Yadav had attacked his neighbour Maimuna Sajad Shaikh, 52, over a petty issue. The neighbours then complained to the police and Yadav was nabbed.

"While he was being taken to the police station, Yadav jumped from the police van and began attacking people," Sudarshan Paithankar, senior inspector, Shivaji Nagar police station, said.