Investigation takes new turn
The police suspected that an extra-marital affair might have led to the brutal killing.
They arrested the woman, wife of one Sadek Anwar, an expatriate living in Korea, from her in-laws' house at Chatteshwari Road. She was being interrogated at Kotwali Police Station.
For all latest news, follow The Daily Star's Google News channel. Police suspected that Shakil, a brother-in-law of the woman, might have a link to the murder as he reportedly has been in hiding since the incident, sources said.
The police yesterday raided five places in the city and several other places in Rangunia and Raozan upazilas to track down Shakil.
Meanwhile, police arrested a businessman, MA Rahman, from a phone-fax shop at the New Market on Tuesday night in connection with a death threat given to Yakub's father and brother over phone.
Rahman is the vice-president of Chittagong Shop Owners' Federation.