Kolkata: One more person has been arrested in connection with the alleged assault and rape threats against a junior femalegynaecologist atUluberiaSarat Chandra Chatterjee Medical College and Hospitalin West Bengal's Howrah district on Monday evening.This marks the fourth arrest made in the case since Tuesday. The personarrestedon Wednesday has been identified as Sheikh Samrat. According to an IANS report, sources from the district police said that Samrat is a close associate of the prime accused in the case, Sheikh Babulal, a traffic Home Guard attached to Uluberia outpost of West Bengal Police. He was present at the place when the assault on the doctor took place on Monday evening. Also Read:Gynaecologist attacked during patient examination at Howrah Medical College He will be presented at a district court in Howrah later on Wednesday, and the public prosecutor will seek his police custody. had earlier reported that in a shocking incident, a junior female gynaecologist at the Sarat Chandra Chattopadhyay Medical College and Hospital in West Bengal's Howrah district was allegedly assaulted and threatened with rape by the relatives of a pregnant woman on Monday afternoon. Police have arrested a home guard and his neighbour in connection with the incident. Meanwhile, Babulal, known to be a close associate of the ruling Trinamool Congress, had already been relieved of his duties as a traffic Home Guard. The doctor had also accused him of issuing a rape threat. Babulal and two other accused persons in the case, who were arrested earlier, were presented at the district court in Howrah on Tuesday, and the court remanded them to three days of police custody. To recall, the female junior doctor was working in the maternity ward at the time of the attack on Monday evening. After examining the traffic Home Guard's relative, she went to the hospital restroom and was sitting there when Babulal, along with the others, attacked her. The junior doctor alleged that one of the attackers twisted her hand while the other allegedly slapped her on the neck. It is alleged that some of the group, reportedly Babulal, even threatened to rape her and kill her. Later, the ward nurse and other staff rescued her from the attackers. The junior doctor lodged a written complaint with the Uluberia police station on Monday night. Based on her complaint, the police started investigating the incident. After the initial investigation, three people, including Babulal, were arrested on Tuesday morning, reports IANS. Also Read:Tirupur GMCH doctor assaulted by patient attendants; 3 arrested