Fatema Akter, psychiatrist and a director of Mind Aid Hospital, has been arrested in a case filed over the death of Senior Assistant Superintendent of Police (ASP) Anisul Karim Shipon in an assault by the hospital employees.
With his arrest, so far 12 staff of the hospital have been arrested over the incident. Police also shut down the hospital.
The senior ASP was allegedly beaten to death by the hospital's staff on Monday.
Earlier, police say Anisul's death was a murder.
Anisul's father filed a case accusing 15 hospital staff in this connection.
Besides, a Dhaka court on Tuesday remanded the 10 employees for seven days in the case.