CHENNAI: A 31-year-old woman was allegedly stabbed by her former colleague outside her hostel at West Mambalam in Chennai on Wednesday morning, and locals caught the suspect with the help of a stray dog Police said Suchismitha, a native of Kolkata, came out of her hostel on Wednesday morning and was walking towards a bus stop. Her former colleague R Raghunath (23), a native of Sivakasi, who was waiting for her, allegedly stabbed her on her stomach with a knife.Locals, who saw Raghunath stabbing her, made a stray chase him. Seeing the dog chasing him, Raghunath hid himself in a street corner. However, people found him and nabbed him.Suchismitha was admitted to a private hospital in the city.During inquiries, it was revealed that Suchismitha and Raghunath had worked in an automobile company in Minjur here. In July last, Raghunath allegedly got into a quarrel with Suchismitha on their office bus. He allegedly harassed her. She complained the issue to her father, Chatterji, who also works in the same company in Kolkata.Based on her complaint, Raghunath was sacked from the company. He hasn’t got a new job after that.